Louis Rosen, 91, worked on first nuclear bombs at Los Alamos lab

By Douglas Martin / The Bulletin
September 7, 2009

On May 9, 1951, on a coral atoll in the Pacific, scientists ignited what they hoped would be the first man-made thermonuclear reaction, the basis of the hydrogen bomb. A fireball rose 1,800 feet.

But the explosion alone, awe-inspiring though it was, was not enough to convince one eyewitness,....

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