Oppenheimer was a tall, thin chain smoker,  - who often neglected to eat during periods of intense concentration., Oppenheimer obtained his Doctor of Philosophy degree - from the University of Göttingen in March 1927 at age 23., n 1934, Oppenheimer designated three percent of his salary — for two years  - to support German physicists fleeing Nazi Germany., Many of Oppenheimer's closest friends and colleagues were active - in the Communist Party in the 1930s or 1940s, including his brother., The FBI opened a file - on Oppenheimer in March 1941., For his services as director of Los Alamos, - Oppenheimer was awarded the Medal for Merit by Truman in 1946., The FBI under J. Edgar Hoover had been following - Oppenheimer since before the war, when he showed Communist sympathies as a professor at Berkeley. , He had been under close surveillance since the early 1940s, his home and office - bugged, and his phone tapped., Oppenheimer was concerned about the danger that - scientific inventions could pose to humanity.,

J. Robert Oppenheimer matching exercise

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