Alexander Langsdorf

Dr. Alexander Langsdorf (1912-1996) was an American physicist who worked under Enrico Fermi at the University of Chicago. He helped design the nuclear reactor Chicago Pile-2, following the success of Chicago Pile-1. He signed the petition urging President Truman to demonstrate the bomb before using it on Japan. After the war, Langsdorf become an outspoken opponent of the proliferation of nuclear weapons and helped found the Bulletin of the Atomic Scientists

Alexander Langsdorf's Timeline

  • 1912 Born in St. Louis, MO.
  • 1932 Graduated from Washington University in St. Louis.
  • 1937 Received his Ph.D. in physics from MIT.

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