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Biden plan to combat antisemitism demands reforms across the executive branch and beyond
WASHINGTON (JTA) — President Joe Biden unveiled a multifaceted and broad strategy to combat antisemitism in the United States that reaches from basketball courts to farming communities, from college campuses to police departments.
“We must say clearly and forcefully that antisemitism and all forms of hate and violence have no place in America,” Biden said in a prerecorded video. “Silence is complicity.”
The 60-page document and its list of more than 100 recommendations stretches across the government, requiring reforms in virtually every sector of the executive branch within a year. It was formulated after consultations with over a thousand experts, and covers a range of tactics, from increased security funding to a range of educational efforts.
The plan has been in the works since December, and the White House has consulted with large Jewish organizations throughout the process. The finished document embraces proposals that large Jewish organizations have long advocated, as well as initiatives that pleasantly surprised Jewish organizational leaders, most of whom praised it upon its release.
Among the proposals that Jewish leaders have called for were recommendations to streamline reporting of hate crimes across local, state and federal law enforcement agencies, which will enable the government to accurately assess the breadth of hate crimes. The proposal also recommends that Congress double the funds available to nonprofits for security measures, from $180 million to $360 million.
One proposal that, if enacted, could be particularly far-reaching — and controversial — is a call for Congress to pass “fundamental reforms” to a provision that shields social media platforms from liability for the content users post on their sites. The plan says social media companies should have a “zero tolerance policy for hate speech on their platforms.”
In addition, the plan calls for action in partnership with a range of government agencies and private entities. It says the government will work with professional sports leagues to educate fans about antisemitism and hold athletes accountable for it, following instances of antisemitic speech by figures such as NBA star Kyrie Irving or NFL player DeSean Jackson.
The government will also partner with rural museums and libraries to educate their visitors about Jewish heritage and antisemitism. And the plan includes actions to be taken by a number of cabinet departments, from the Department of Veterans Affairs to the USDA.
“It’s really producing a whole-of-government approach that stretches from what you might consider the obvious things like more [security] grants and more resources for the Justice Department and the FBI,” said Nathan Diament, the Washington director of the Orthodox Union. “But it stretches all the way across things that the Department of Labor and the Small Business Administration can do with regard to educating about antisemitism, that the National Endowment of the Humanities and the President’s Council on Sports and Fitness can do with regard to the institutions that they deal with.”
An array of Jewish organizations from the left to the center-right echoed those sentiments in welcoming the plan with enthusiasm, marking a change from recent weeks in which they had been split over how the plan should define antisemitism. Still, a handful of right-wing groups blasted the strategy, saying that its chosen definition of antisemitism diluted the term.
Despite the relatively united front, there are elements of the strategy that may stoke broader controversy: Among a broad array of partner groups named in the plan is the Council on American-Islamic Relations, whose harsh criticism of Israel has led to relations with centrist Jewish organizations that are fraught at best. The call to place limits on social media platforms may also upset free speech advocates.
Biden recalled, as he often does, that he decided to run for president after President Donald Trump equivocated while condemning the neo-Nazis who organized a deadly march in Charlottesville, Virginia, in 2017.
“Repeated episodes of hate — including numerous attacks on Jewish Americans — have since followed Charlottesville, shaking our moral conscience as Americans and challenging the values for which we stand as a Nation,” Biden wrote in an introduction to the report.
The administration launched the initiative last December, after years during which Jewish groups and the FBI reported sharp spikes in antisemitic incidents. The strategy was originally planned for release at its Jewish American Heritage Month celebration last week, but was delayed, in part because of last minute internal squabbling over whether it would accept a definition of antisemitism that some on the left said chilled free speech on Israel. Some right-wing groups were deeply critical of the new strategy for not accepting that definition to the exclusion of others.
Rabbi Levi Shemtov, the executive vice president of American Friends of Lubavitch (Chabad) praised the breadth of the plan, and said the delay seemed to produce results.
“The White House has taken this very seriously. The phrase that something is still being worked on can often be a euphemism for a lack of concern,” he said. “In this case, it seems to have resulted in an even more comprehensive and hopefully more effective result.”
Some of the initiatives in the plan focus less on directly confronting antisemitism and more on promoting tolerance of and education about Jews.The Biden Administration will seek to ensure accommodations for Jewish religious observance, the accompanying fact sheet said, and “the Department of Agriculture will work to ensure equal access to all USDA feeding programs for USDA customers with religious dietary needs, including kosher and halal dietary needs.”
Jonathan Greenblatt, the Anti-Defamation League CEO who was closely consulted on the strategy, said promoting inclusion was as critical as fighting antisemitism. “Is FEMA giving kosher provisions after disasters going to solve antisemitism?” he said in an interview. “No, but… it’s an acknowledgement of the plurality of communities and the need to treat Jewish people like you would any other minority community, and I think I’m very pleased to see that.”
In the months since Second Gentleman Doug Emhoff, who is Jewish, convened a roundtable to launch the initiative, the Biden administration has pivoted from focusing on the threat of antisemitism from the far-right to also highlighting its manifestation in other spheres — including amid anti-Israel activism on campuses and the targeting of visibly religious Jews in the northeast. Those factors were evident in the strategy.
“Some traditionally observant Jews, especially traditional Orthodox Jews, are victimized while walking down the street,” the strategy said in its introduction. “Jewish students and educators are targeted for derision and exclusion on college campuses, often because of their real or perceived views about the State of Israel.”
The proposal that may provoke controversy beyond American Jewry is the Biden Administration’s calls to reform the tech sector, which echo bipartisan recommendations to change Section 230, a provision of U.S. law that grants platforms immunity from being liable for the content users post. Free speech advocates and the companies themselves say that if the government were to police online speech, it would veer into censorship.
“Tech companies have a critical role to play and for that reason the strategy contains 10 separate calls to tech companies to establish a zero tolerance policy for hate speech on their platforms, to ensure that their algorithms do not pass along hate speech and extreme content to users and to listen more closely to Jewish groups to better understand how antisemitism manifests itself on their platforms,” Elizabeth Sherwood-Randall, Biden’s top Homeland Security adviser, said during a 30-minute briefing on the strategy on Thursday. “The president has also called on Congress to remove the special immunity for online platforms and to impose stronger transparency requirements in order to ensure that tech companies are removing content that violates their terms of service.”
Neo-Nazis and white supremacists encircle counterprotesters at the base of a statue of Thomas Jefferson after marching through the University of Virginia campus with torches in Charlottesville, Va., Aug. 11, 2017. (Shay Horse/NurPhoto via Getty Images)
In the weeks before the rollout, a debate raged online and behind the scenes amid Jewish organizations and activists about how the plan would define antisemitism. Centrist and right-wing groups pushed for the plan to embrace the International Holocaust Remembrance Alliance’s working definition. Among its examples of anti-Jewish bigotry are those focusing on when Israel criticism is antisemitic, including when “double standards” applied to Israel are antisemitic.
Advocates on the left say those clauses turn legitimate criticism of Israel into hate speech; instead, they pushed to include references to the Nexus Document, a definition authored by academics that recognizes IHRA but seeks to complement it by further elucidating how anti-Israel expression may be antisemitic in some instances, and not in others. Others sought to include the Jerusalem Declaration on Antisemitism, which rejects IHRA’s Israel-related examples.
In the end, the strategy said the U.S. government recognizes the IHRA definition as the “most prominent” and “appreciates the Nexus Document and notes other such efforts.”
A number of the centrist groups pressed for exclusive reference to IHRA, including the Conference of Presidents of Major American Jewish Organizations and the Simon Wiesenthal Center. Those groups praised the strategy and focused only on its embrace of IHRA. So did the Israeli ambassador to Washington, Michael Herzog.
“I would like to congratulate the Biden administration for publishing the first ever national strategy to combat antisemitism,” Herzog wrote on Twitter. “Thank you, @POTUS, for prioritizing the need to confront antisemitism in all its forms. We welcome the re-embracing of @TheIHRA definition which is the gold standard definition of antisemitism.”
Some center-right groups like B’nai Brith International, StandWithUs and the World Jewish Congress, praised the strategy while expressing regret at the inclusion of Nexus. Right-wing groups, such as the Republican Jewish Coalition and Christians United for Israel condemned the rollout.
RJC said Biden “blew it” by not exclusively using the IHRA definition. The Brandeis Center, which defends pro-Israel groups and students on campus, said the “substance doesn’t measure up.”
Groups on the left, however, broadly praised the strategy. “We call on our Jewish communities to seize this historic moment and build on this new strategy to ensure that the fight for Jewish safety is a fight for a better and safer America for all,” said a statement from six left-leaning groups spearheaded by Jews For Racial & Economic Justice.
Greenblatt said it was predictable that groups on the left would take the win and that groups on the right would grumble — but that it was also beside the point. IHRA, he said, was now U.S. policy.
“This document elevates and advances IHRA as the way that U.S. policy will be formulated going forward and across all of the agencies,” Greenblatt said. “That is a win.”
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Poll: Most New York City Jewish voters say criticism of Israel is often a cover for antisemitism
A majority of Jewish voters in New York City believe criticism of the Israeli government is often used as a cover for antisemitism, and more are concerned about antisemitic speech and attitudes than physical hate crimes, according to a new poll examining Jewish views on rising antisemitism and the city’s political climate. The survey also found that Jewish voters were more likely to blame the political left than the right for scapegoating Jews.
The Honan Strategy Group survey of 503 Jewish voters across the five boroughs, shared exclusively with the Forward, was conducted Oct. 2 through Oct. 6 via text-to-web before Mayor Zohran Mamdani’s controversial Oct. 7 statement and before his supporters turned on him during a peace vigil last Wednesday.
The survey found that while 85% do not consider criticism of the Israeli government or its leaders inherently antisemitic, 56% believe such criticism is often used as a cover for antisemitism. Meanwhile, seven in 10 Jewish voters believe they are being blamed for society’s problems, and more hold the political left responsible than the right.
The poll has a reported margin of error of plus or minus 4.3 percentage points.
The findings highlight the ongoing tensions between Mamdani and parts of the Jewish community over his harsh criticism of Israel, his defense of pro-Palestinian protesters’ rights and his ties to the Democratic Socialists of America and other left-wing groups.
Throughout his mayoral campaign and since taking office, Mamdani has sought to draw a line between his opposition to Israel and Zionism and his commitment to protecting Jewish New Yorkers. Last month, he rolled out a new municipal strategy to combat antisemitism, but the plan did not adopt a definition of the term.
Last Wednesday, on the third anniversary of the Oct. 7 Hamas attack on Israel, Mamdani issued a statement condemning Israel’s war in Gaza as a “genocide” and accusing the U.S. government of complicity in Israeli war crimes, irking Jewish leaders, including some allies.
The poll also found Jewish voters divided over whether some positions Mamdani has taken toward Israel are antisemitic. By 48% to 42%, respondents said describing Israel’s actions in Gaza as genocide is not antisemitic. Similarly, 49% said boycotting Israeli products and companies is not antisemitic, compared with 43% who said it is. But a majority — 52% — said denying Israel’s right to exist as a Jewish state is antisemitic. Almost two-thirds consider protesting outside synagogues an act of antisemitism.
Mamdani, who rose to power aligned with pro-Palestinian activism and is the city’s first Muslim mayor, has repeatedly accused Israel of committing genocide in Gaza, has refused to recognize Israel specifically as a Jewish state and has called for a permanent end to city investments in Israel Bonds.
Mamdani has also defended the rights of anti-Israel protesters, including outside synagogues hosting events promoting real estate in Israel and the West Bank. Some demonstrations have included chants calling for an “intifada” and other rhetoric Jewish leaders described as antisemitic and intimidating, slogans Mamdani has either condemned or encouraged people not to use.
“The data shows broad consensus that criticism of Israel’s government is not antisemitic on its own,” pollster Bradley Honan told the Forward. “But it also shows that most Jewish voters have watched that criticism turn into something more troubling, and they want that line taken seriously.”
Earlier this year, the city’s top Jewish officials urged Mamdani to recognize Israel’s centrality to Jewish identity, and a group of liberal rabbis who met with the mayor warned Mamdani that his rhetoric on Israel is “causing harm.”
The same survey found widespread disapproval among Jewish voters of Mamdani’s handling of antisemitism.
Respondents also appeared to disagree with Mamdani’s approach to combating antisemitism. His plan includes millions of dollars for security, hate-crime prevention and Jewish education. It does not adopt a formal definition of antisemitism and offers little clarity on how the administration views anti-Zionism.
In the poll, 34% said antisemitic speech and attitudes were a bigger problem than physical hate crimes, such as assaults and vandalism. Just 8% said hate crimes were the bigger concern, while 46% considered both equally serious.
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The photos may be black and white, but the klezmer world is drenched with color
In Lloyd Wolf’s evocative photography exhibit, “A Joyful Noise,” you can almost hear the Klezmer music — plaintive and celebratory, earthy and devout, and always with a profound, but not easily definable, outpouring of Yiddishkeit.
Now showing at the Dr. Bernard Heller Museum at New York’s Hebrew Union College, the 45 images feature solo, dual and group portraits of Klezmer musicians performing from the mid 90’s through 2024.
They may be at a wedding, in concert, or practicing alone in a bucolic setting. In one humorous picture, six Klezmer musicians emerge from a row of porta-potties, instruments in hand. Most of the pictures, arranged chronologically, are in black and white.
“The trick in photographing music, which is invisible, is that it has to be translated into a visible form,” said the Dayton, Ohio-born Wolf during a phone conversation from his home in Arlington, Virginia. “You have to pick up on the energy. It’s like jamming, only it’s silent. I’m often up on the stage with the musicians, right up in their faces. Because they know me they’re not posing. I can photograph bad musicians but the picture is much better if the musicians are great. It just raises the level of what you do.”

Wolf, who grew up hearing classical music, show tunes, folk, and Gilbert & Sullivan, has always loved music and musicians and he has photographed many, including Brian Wilson, Wynton Marsalis and The Grateful Dead.
The genesis of the exhibit was Wolf’s stunning book, A Joyful Noise! Klezmer in Motion.
“I’ve worked with Lloyd on several prior exhibits, mostly issue-oriented ones, and knew his work to be very good as well as interesting,” said Nancy Mantel, the exhibit’s curator. “Anything happy at this time seems like a win. And it’s about music and memories — also good.”
“It was the perfect moment to present our exhibition to celebrate nearly four decades of a vital musical genre that has immeasurably enriched Jewish life,” added Jeanie Rosensaft, the museum’s director. “Klezmer has contributed greatly to the growing appreciation for Yiddish language and culture among younger generations.”
A way to engage with the world
Klezmer music emerged from the world of Ashkenazi Jews in pre-Holocaust Eastern and Central Europe. It has roots in both Hasidic rituals and the Jewish (and Romanian, Hungarian and Romani) folk music of the time. In the post- World War II years, Klezmer music largely disappeared, in part because it was a painful reminder of what had been lost. In the 80s and 90s, when ethnicity became cool, it enjoyed a renaissance that continues today.
According to Wolf, there are any number of reasons why young people are attracted to Klezmer, including the fact that it provides a way to celebrate and identify that feels authentic and fun.

“Most of their roots are in the Yiddish world of their immigrant ancestors from Eastern Europe,” he said. “Some of it perhaps has to do with political and cultural gaps that have grown between Diaspora Jews and what they see and feel going on regarding the policies and actions of the current Israeli government.”
Wolf’s favorite picture, and coincidentally mine as well, presents Klezmer musician Michael Winograd sporting a jaunty little hat and playing his clarinet on an otherwise empty Coney Island boardwalk against a backdrop of immobilized rides, the iconic roller coaster and parachute drop. All by itself, the setting brings to mind an old ethnic, Jewish New York fixed in time.
“There is an inherent energy in Coney Island and the architecture is coherent,” said Wolf. “It’s just fun to look at. As Duke Ellington said, ‘It don’t mean a thing if it ain’t got a swing.’ I took that picture because Mike said he needed a cover shot. It was a freezing day, but he took his coat off. I said, ‘start playing.’ It was winter and there were no people out. That made for a much better picture than if we had done it in the summer with all the people.”
When I asked him when he chooses to shoot in black and white as opposed to color, he explained that, while there is usually no set plan ahead of time, he generally prefers black and white, “for its simplicity. It takes it out of a specific time. It’s more abstract, more classic. If I want a picture to be of a specific time and place, I’ll shoot in color.”

Wolf calls himself a documentary photographer and says his aesthetic influences include Gordon Parks, Dorothea Lange and Weegee, whose work combines “meaningful artistry and committed documentary.”
Wolf is very much the social activist. His books depict such topics as the Vietnam Memorial, social diversity in Columbia Pike, and Jewish fathers and mothers.
He says his interest in Klezmer musicians and music was at once improbable and inevitable. But no one was more surprised than his mother, a Bronx-born daughter of Yiddish-speaking Eastern European immigrants who desired nothing more than to be a fully assimilated American woman devoid of any accent or rituals.
“She was shamed by her Christian neighbors into sending me to Hebrew School and I did have a Bar Mitzvah,” recalled Wolf. “But we were not observant.”
His father, a refugee from Nazi Germany was a proud German Jew, highly cultured, intellectual and accomplished. “A computer pioneer, he was the technical director for building the ARPANET, the system that evolved into the Internet,” Wolf said.

The Holocaust, indeed Jewish topics in general, were not discussed in Wolf’s home. A child of the 60s, Wolf came of age during anti-war protests, love-ins and Jimi Hendrix. He majored in political science at Goddard College, though he never had any real interest in pursuing that field as a carer, he said. “For me photography was the way to engage with the world.”
He earned his Masters in photography at Trinity College in Hartford where he started freelancing for local newspapers. One of his outlets was the B’nai B’rith Magazine, which marked a turning point in his life and career. An early assignment took him to Treblinka, Poland and Israel, where he met his father’s cousins who, like his father, were forced to flee their homes. But unlike his father they talked about the Holocaust.
“I learned from them, for the first time, what had happened,” he said. “When I came back home from Israel I started going to shul.”
A music beyond politics?
Wolf was first turned on to Klezmer music in 1992 when he was assigned to cover two of the new Klezmer revival groups: Kapelye and the Klezmatics.
“I met up with Kapelye at a rehearsal space in the Workman’s Circle building,” he wrote to me in an email. “I can’t recall any particular melody at this date but do remember being in awe of Adrienne Cooper’s deep, commanding, matronly voice and presence. The next night I was to meet a guy from the Klezmatics at the Bottom Line club, Frank London. Here was a Jew roughly of my generation, who fully expressed his passion and art in an explicitly ethnic context, and with great skill and brio. He and the other band members at the time delivered a masterfully exhilarating concert: Transcendent, beautiful, sweeping, a grand opening of the soul in sound.”

London played a central role at the exhibit’s festive opening night reception by leading a Klezmer concert, which was, London said, fueled by Wolf’s photography, but also by the other exhibit in the gallery — paintings that explored “Mothers, Prophets, Warriors: Women of the Bible.”
“Both Jewish, both joyous and we were part of the joyous noise,” London said. “Our music is celebratory. The musicians share a common language and repertory. Nobody had sheet music.”
Throughout the performance, which featured two clarinetists (including Winograd), Wolf was moving about and shooting away.
The audience seemed to be having a fine time. For much of the performance they silently emanated a collective satisfaction; midway through, an elderly woman moved to the back where, all by herself, she started dancing to the music.
Then, something else happened. A few women were up and dancing into the aisles. They held hands and moved around the chapel, swaying this way and that. Slowly others in the audience joined in — men and women, young and old, most able-bodied, some less so. Round and round they went.

“When people define Klezmer, they often talk about it as dance music,” said London. “Names of different tunes are often names of dances. Whenever we play this music in its unadulterated form it’s always to celebrate Yiddish Ashkenazi culture that is also universal. It is beyond politics.”
I don’t agree. For me, the wordless dancers exuded an unabashed, unapologetic and perhaps even defiant ethnic identification, joy and pride. It was a deeply moving and searing political statement.
After the concert, I went back to look at Wolf’s photographs. They worked wonderfully well all by themselves. Still, the music and dancing I had just witnessed shed a new, more complex light on the pictures. Either way, the images on the wall and those that I took from the recital lingered as I left the building and walked up Mercer Street back to the 8th Street subway station.
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On Columbus Day, remember Abraham Zacuto, the Jewish astronomer history forgot
(JTA) — Every October, Christopher Columbus returns not only as history but as controversy. The voyages associated with his name transformed the world, but their legacy is inseparable from conquest, coercion and the destruction that followed European expansion.
Yet the same Iberian age also produced a quieter and far less controversial revolution: advances in astronomy, mathematics, cartography, instruments and practical navigation that made sustained oceanic voyaging possible. Its protagonists included scholars, translators, mapmakers, instrument makers and pilots whose names are far less familiar than those of the captains who commanded the ships.
Among them, one figure deserves particular remembrance on Columbus Day: Abraham Zacuto, a Jewish astronomer born in Salamanca around 1452. Zacuto belonged to the same Iberian world as Columbus, but experienced its monarchies very differently. In 1492, Columbus sailed west under the patronage of Ferdinand and Isabella. That same year, the Catholic monarchs ordered the Jews of their realms to convert or leave. Zacuto left Castile and continued his work in Portugal. The celebrated maritime discoveries and the expulsion of Iberian Jewry were therefore not distinct historical worlds; they unfolded under the same rulers, at the same moment, within the same culture of ambition, knowledge and power.
Zacuto stands out within that larger scientific story. He was a rabbi, astronomer, mathematician and historian whose astronomical work helped give oceanic navigation a new degree of precision and practicality. His contribution belongs not at the margins of the Age of Exploration but within the scientific infrastructure that made long-distance navigation increasingly systematic.
Around 1478, Zacuto completed his great Hebrew astronomical work, “Ha-Hibbur ha-Gadol,” the “Great Composition.” Working within a long scientific conversation that included Greek, Islamic, Jewish and Christian astronomy, he refined and organized astronomical calculations in forms of exceptional practical value.
After the expulsion from Spain, Zacuto entered Portugal at precisely the moment when the kingdom was pushing maritime exploration farther into the Atlantic and down the African coast. Zacuto’s pupil, José Vizinho, a Jewish adviser to Portuguese King John II, was associated with the practical Latin and Castilian presentation of Zacuto’s astronomical material. In 1496, Zacuto’s Almanach Perpetuum was printed at Leiria in four known issues – three with Latin preliminary matter and one with Castilian.
The importance of those tables was intensely practical. They supplied precise, ready-to-use values for the changing position of the sun through the year. For a pilot on the high seas in daylight, far from recognizable coastlines, this meant that a noon observation of the sun could be combined with solar-declination data to determine latitude — the ship’s north-south position. The difficult astronomical calculations had already been embodied in the tables. What remained aboard ship was an operational procedure: Observe the sun, consult the appropriate value and calculate latitude. That combination of precision and usability greatly facilitated daytime position-finding at sea. Solar tables derived from Zacuto’s work entered early Portuguese navigational manuals and became part of the practical scientific culture of oceanic travel.
The clearest measure of Zacuto’s importance may be what happened next. The Almanach did not remain a local Portuguese publication. Its tables were reprinted repeatedly in Venice in 1498, 1502, 1525 and 1528. A work first printed in Leiria moved into one of Europe’s great publishing centers and continued to circulate for decades. That publishing history alone tells us something about the standing Zacuto’s astronomy acquired.
Its reach extended farther still. Zacuto’s astronomical material was translated and adapted into Arabic. One Arabic version was produced, likely in Istanbul, in 1505-06; another, associated with Ahmad ibn Qasim al-Hajari in Morocco around 1624, survives in several manuscripts. The work of a Jewish astronomer writing in Hebrew in 15th-century Salamanca had crossed into Latin, Castilian and Arabic scientific cultures.
Zacuto’s name also became entwined with the memory of the great navigators. Accounts have long connected his tables with Columbus and Vasco da Gama, including the famous 1504 lunar eclipse in Jamaica. In this episode, Columbus intimidated Indigenous Jamaicans by predicting the disappearance of the moon, relying on Zacuto’s almanac, which he had on board. A manuscript connected with the Almanach also survives in Seville’s Biblioteca Colombina, the library created by Columbus’s son Hernando. Taken together, these associations reveal the stature Zacuto’s work acquired in the historical memory of the Age of Exploration.
Perhaps the most striking part of Zacuto’s story is what happened to the man himself. Portugal valued the kind of expertise he represented. Yet in December 1496, King Manuel I ordered Portugal’s Jews to leave unless they converted, and in 1497 the crown subjected the Jewish population to mass forced conversion. Zacuto left Portugal as well.
Exile did not end either his travels or his scholarship. From Portugal he moved through North Africa, including Tunis, before eventually reaching Jerusalem. There, late in life, he returned once more to the astronomical work that had made his name known across the Mediterranean, recalculating and updating his earlier tables for the Jewish calendar and the meridian of Jerusalem. The strongest recent reconstruction of his life places his death in Jerusalem in Tevet 5274, or late 1513 or very early 1514 — commonly given as 1514.
Zacuto’s story is therefore larger than a footnote to Columbus. It joins two strands of Sephardic history too often told apart: persecution and exile, and the transmission of knowledge, texts and technologies across borders.
Zacuto’s own tables and 15th-century procedures are now obsolete, but their underlying navigational logic endures. Modern celestial navigation still determines position by combining observations of the sun, moon, planets or stars with authoritative astronomical data. The U.S. Naval Academy requires all midshipmen to study navigation, and its current curriculum includes celestial navigation alongside electronic methods. The U.S. Naval Observatory still describes celestial navigation as a critical independent backup to GPS and other electronic systems. And the Nautical Almanac, first published in 1855, remains the standard U.S. Navy resource for marine celestial navigation. The instruments and calculations have changed, but the essential logic remains: Observe the heavens, consult reliable astronomical data and determine position.
Zacuto’s scientific reputation also survives in an unexpected place. In 1935, the International Astronomical Union formally adopted the name Zagut for a lunar crater honoring Abraham ben Shmuel Zacuto. Modern astronomy has, quite literally, written his name onto the Moon.
Columbus remains a household name because voyages leave dramatic images: ships, landfalls, encounters and conquest. The calculations, tables, instruments, translations and printed books that made such voyages possible are easier to forget. Remembering Zacuto widens the story: His tables brought greater precision and practicality to daytime navigation; his work crossed languages and continents; and his life traced the routes of Sephardic exile from Iberia to Jerusalem. The age of maritime discovery was also an age of scientific discovery, and some of the knowledge that carried Iberian ships across oceans was created by scholars whose communities those same monarchies expelled.
The views and opinions expressed in this article are those of the author and do not necessarily reflect the views of JTA or its parent company, 70 Faces Media.
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