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Which physicist worked with Daghlian to load the assembled tamper plug?
Herbert Lehr
Robert Oppenheimer
Albert Einstein
Louis Slotin
Answer
On May 21, 1945, at Los Alamos, New Mexico, Daghlian, Lehr, and physicist Richard Feynman were testing the implosion device. Daghlian accidentally inserted a plutonium plug too far into the hollow cavity of the implosion device, causing a premature nuclear chain reaction. The device exploded, throwing Daghlian 15 feet (4.6 m) into the air and leaving him with second-degree burns on 40 percent of his body.
The Enigmatic Journey of Harry Daghlian: Exploring the Life and Legacy of an Extraordinary American Physicist
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