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Abraham Zarem, one of the last surviving Manhattan Project scientists, dies at 106
(JTA) — Abraham Zarem was 28 when he joined the Manhattan Project, the vast U.S. government effort to develop the atom bomb.
Engineers like him gathered in secret laboratories in New Mexico, California, New York City and elsewhere to provide the practical know-how the theorists lacked.
“‘They were geniuses, but didn’t know how to build a f—king thing,’” Zarem recalled, according to his longtime rabbi at Sinai Temple in Los Angeles, David Wolpe.
Zaum, who went on to a distinguished career in technology, business development and leadership management training, died March 8 in Los Angeles. He was 106, and one of the last surviving members of the army of scientists, technicians, bureaucrats and clerks who helped build the weapon that would force Japan’s surrender in World War II and usher in the Atomic Age.
After the war, Zarem joined the staff of the United States Naval Ordnance Test Station at Pasadena, where as head of the electrical section of the physical research division he developed a high-speed camera used to study intense light sources and other phenomena. Popular Mechanics called the Zarem camera — 25,000 times faster than any movie camera then available — a “miracle.”
In 1963, Zarem served as senior vice president of Xerox, leaving in 1970 to launch a consulting business. He returned to Xerox as founder and CEO of its Xerox Development Corporation in 1975. He later served as founder and managing director of Frontier Associates, a technology consultancy.
Born in Chicago on March 7, 1917, Zarem was valedictorian of his undergraduate class at the Armour Institute of Technology (now the Illinois Institute of Technology), and earned his doctorate on the physical properties of the electric spark at the California Institute of Technology. He headed the Stanford University Research Institute in Los Angeles while still in his 30s.
Later he served as distinguished senior advisor for Neuroscience Technology Transfer for the UCLA Brain Research Institute and a member of the Urology Advisory Board of the UCLA Geffen School of Medicine. Additionally, he served as distinguished visiting executive in Science and Technology for Caltech’s Jet Propulsion Laboratory.
One of Zarem’s companies, Electro-Optical Systems, developed the “world’s first practical ion engine” — an experimental high-energy thruster for spacecraft. It now resides in the Smithsonian Institute in Washington, D.C.
Zarem was also a regular at Temple Sinai, where Wolpe said Zarem mentored him as a young rabbi. Zarem and his wife Esther were generous contributors to the congregation; Wolpe remembered Zarem chanting from the book of Jonah on Yom Kippur when he was 99.
“Abe Zarem was a brilliant, buoyant, passionate, pious and philanthropic person,” Wolpe told the Jewish Telegraphic Agency this week. “He had a central role in some of the key scientific events of human history — the atomic bomb, the moon landing — and yet took an interest in everyone lucky enough to meet him. Abe was truly yachid b’mino — unique in his time. He will be greatly missed.”
Unlike with some of his collaborators on the Manhattan Project, there is no public record of Zarem grappling publicly with the moral implications of the weapon he helped develop. Years after their war work at Caltech, a man who worked under Zarem as a lab assistant said he felt no guilt, because without the detonations at Hiroshima and Nagasaki, he told a local newspaper, “We would have lost 500,000 Americans in the invasion of Japan.”
But Zarem did go on the record in 1952 on a different topic, in advice he shared with a labor and management magazine: “Keep your feet warm, and your head cool. And watch out for the hotheads with cold feet.”
His survivors include his children, Janet, David and Mark.
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The post Abraham Zarem, one of the last surviving Manhattan Project scientists, dies at 106 appeared first on Jewish Telegraphic Agency.
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Some Tankers Cross Strait of Hormuz Before Shots Fired, Ship-Tracking Data Shows
A satellite image shows the ship movement at the Strait of Hormuz on April 17, 2026, in Space. EUROPEAN UNION/COPERNICUS SENTINEL-2/Handout via REUTERS
More than a dozen tankers, including three sanctioned vessels, passed through the Strait of Hormuz after a 50-day blockade was lifted on Friday, shipping data showed, before Iran reimposed restrictions on Saturday and fired at some vessels.
Reopening the strait is key for Gulf producers to resume full oil and gas supplies to the world, and end what the International Energy Agency has called the worst-ever supply disruption.
US President Donald Trump said on Friday Iran had agreed to open the strait, while Iranian officials said they wanted the US to fully lift its blockade of Iranian tankers.
Western shipping companies cautiously welcomed the announcements but said more clarity was needed, including on the presence of sea mines, before their vessels could transit.
IRAN RESUMES RESTRICTIONS
The ships that passed through the strait on Friday and Saturday via Iranian waters south of Larak island were mainly older, non-Western-owned vessels and included four sanctioned ships, according to ship-tracking data.
Iran arranged passage for a limited number of oil tankers and commercial ships following prior agreements in negotiations, a spokesperson for Iran’s Revolutionary Guards said.
Other ships have been seen approaching the strait and turning back as Iran said it would maintain strict controls as long as the US continues its blockade of Iranian ports.
The UK Navy reported on Saturday that Iranian gunboats fired at some ships attempting to cross the strait.
Some merchant vessels received radio messages from Iran’s navy saying the strait was shut again and that no ships were allowed to pass, shipping sources said on Saturday.
Ship-tracking data showed five vessels loaded with liquefied natural gas from Ras Laffan in Qatar approaching the strait on Saturday morning.
No LNG cargoes have transited the waterway since the US-Israeli war with Iran began on February 28.
Hundreds of ships have been stuck in the Gulf since the conflict started and Tehran closed the strait, forcing Gulf oil and gas producers to sharply cut production.
Top producers such as Saudi Arabia, the UAE, Iraq and Kuwait say they need steady tanker flows and unrestricted passage through the strait to resume normal export operations.
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Trump Greenlights Russian Oil to Ease Strain on Global Markets After War with Iran
US Treasury Secretary Scott Bessent in Washington, DC, US, March 27, 2026. Photo: REUTERS/Jonathan Ernst
i24 News – The Trump administration has authorized a 30-day emergency waiver allowing the maritime purchase of Russian oil, reversing a hardline stance in an effort to stabilize skyrocketing global energy prices.
The Treasury Department announced Friday that the license for crude and petroleum products will remain in effect until May 16, 2026, responding to intense pressure from international partners struggling with the fallout of the war with Iran.
This policy pivot comes as a surprise after Treasury Secretary Scott Bessent suggested earlier this week that no further exemptions would be granted:
“As negotiations with Iran accelerate, the administration seeks to ensure oil availability for those who need it most. We must prevent a total price collapse for consumers while the geopolitical situation remains volatile.”
Ensuring global oil availability is paramount for the US as over 80 energy facilities in the Middle East have been damaged by recent war with Iran. With the November midterm elections approaching, record-high fuel prices at the pump remain a primary vulnerability for the Republican party. By allowing Russian oil back into the maritime flow, the administration hopes to neutralize “pain at the pump” before voters head to the polls.
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UK: Islamist Group Claims to Attack Israeli Embassy with ‘Drones Carrying Radioactive, Carcinogenic Materials’
A UK man has been arrested for allegedly threatening a group of Jews while wielding an ax on Rosh Hashanah. Photo: Tony Webster / Wikimedia Commons.
i24 News – British police officers in protective clothing were seen investigating a “security incident” near the Israeli embassy in London on Friday, after a jihadist group put out a video showing it launching two drones allegedly carrying radioactive and carcinogenic materials toward the embassy.
“There is an increased police presence in Kensington Gardens and officers are assessing a number of discarded items. As a precaution, some of the officers who have been deployed are wearing protective clothing. We recognize this may concern local residents and the wider public,” police said in a statement.
“Counter Terrorism Policing London are aware of a video shared online overnight in which a group claims to have targeted the nearby embassy of Israel with drones carrying dangerous substances,” the statement further read. “While we can confirm that the embassy has not been attacked, we are carrying out urgent inquiries to determine the authenticity of the video and to identify any potential link between it and the items discarded in Kensington Gardens.”
The incident comes amid a steep hike in antisemitic attacks in Britain targeting Jewish and Israeli individuals and institutions.
The group that released the video was identified as Harakat Ashab al-Yamin al-Islamia, a shadowy entity with suspected ties to Iran. It has already claimed seven attacks against Jewish institutions, including an arson attack in London where four ambulances owned by the Hatzolah charity were torched.