invention
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Julius Robert Oppenheimer
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J. Robert Oppenheimer
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Overview
• Helped Invent the atomic bomb• Born in New York in 1904• In charge of the Manhattan Project• Died in 1967• More background at
http://web.mit.edu/invent/iow/oppenheimer.html
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Schooling
• Graduated from Harvard• Went to study at Cambridge• Received a PhD in Germany
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Atomic Bomb Explosion
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Values
• He opposed fascism• He had family in Nazi Germany• Supported Communism
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Harvard Logo
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Manhattan Project
• Started in 1941• Begun to create powerful weapons• Response to Germany splitting the atom• Oppenheimer appointed director in June 1942• Created atomic bomb• More Manhattan Project at
http://www.pbs.org/wgbh/amex/bomb/peopleevents/pandeAMEX65.html
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Atomic Bomb
• Extremely powerful bomb• Worked on at Los Alamos• Los Alamos in New Mexico• Many physicists worked on it• Took four years to develop
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“Little Boy”
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How It Works
• Needs enriched uranium• Fission occurs • Neutron is fired at atom• Huge amount of energy released• How it works at
http://www.cccoe.k12.ca.us/abomb/physics.htm
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Explosion
• Atomic bomb detonated in July, 1945• Dropped on Japan• First in Hiroshima• Second in Nagasaki• Ended WWII
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Atomic Bomb Explosion
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Unhappy Ending
• Chairman for Atomic Energy Commission• Oppenheimer opposed the hydrogen bomb• Trial for treason• Too long identifying Soviet Spies• Cleared of charges• Removed from Atomic Energy Commission
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Hydrogen bomb
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Conclusion
• Atomic bomb was important invention