1939 in science Guide, Meaning , Facts, Information and Description

The year 1939 in science and technology included events, some of which are listed here.

Astronomy

• Robert Oppenheimer and H. Snyder predict the existence of a new type of celestial objects that would come to be called black holes (Phys.Rev. 56, 455-459, 1939).
• Robert Oppenheimer and G. Volkoff first calculate the structure of neutron stars, a new type of celestial object (Phys.Rev. 55, 374-381 (1939).

• Nuclear fission discovered independently by Lise Meitner and Otto Hahn

• Nobel Prizes
  • Physics - Ernest Lawrence
  • Chemistry - Adolf Friedrich Johann Butenandt, Lavoslav Ruzicka
  • Medicine - Gerhard Domagk

• October 7 - John Hopcroft, American theoretical computer scientist

• October 7 - Harvey Cushing, American neurosurgeon, in New Haven, Connecticut(b. 1869)

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