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Heavy Hydrogen or deuterium is discovered by Harold C. Urey.
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Sometime during 1932, the atom is split by John Crockcroft and E.T.S. Walton of Great Britain thereby proving Einstein's Theory of Relativity which states, "an object in motion creates its own timeframe."
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During 1933, Hungarian physicist Leo Szilard realizes the possibility of the nuclear chain reaction.
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The first nuclear fission is achieved by Enrico Fermi of Italy.
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The Theory of Nuclear Fission is announced by Lise Meitner and Otto Frisch
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The Theory of Nuclear Fission is announced by Lise Meitner and Otto Frisch
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Robert Oppenheimer realizes the military possibilities of nuclear fission
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Albert Einstein writes to President Franklin Roosevelt concerning the use of uranium as a new source of energy leading to the formation of the Committee on Uranium.
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World War II Begins
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Plutonium is discovered by Glenn Seaborg.
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FDR gives the go-ahead for the development of an atomic weapon.
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FDR authorizes the Manhattan Engineering District for the purpose of creating an atomic bomb. This would later be called the 'Manhattan Project'.
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Coloneal Leslie Groves is placed in charge of the Manhattan Project. J. Robert Oppenheimer becomes the Project's Scientific Director.
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First controlled nuclear fission reaction is produced by Enrico Fermi at the University of Chicago
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Japan becomes the primary target for any future atomic bomb according to the Military Policy Committee of the Manhattan Project.
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President Franklin Roosevelt dies and Harry Truman is named 33rd President of the United States of America
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The Target Committee of the Manhattan Project select four cities as possible targets for the atomic bomb. They are: Kyoto, Hiroshima, Kokura, and Niigata.
