1939 in science

1939 in science

The year 1939 in science and technology involved some significant events, listed below.

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).

Medicine

*John H. Lawrence used beams of energized neutrons from a particle accelerator to treat a patient with leukemia.

Physics

* Nuclear fission is discovered independently by Lise Meitner and Otto Hahn.

Technology

* January 11 - First flight of the Lockheed P-38 Lightning.
* December 9 - First flight of the Consolidated XB-24 "Liberator" bomber prototype.
* Kirlian photography is invented by Semyon Kirlian.

Awards

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

Births

* May 19 - Dick Scobee (d. 1986), astronaut.
* October 7 - John Hopcroft, American theoretical computer scientist.

Deaths

* October 7 - Harvey Cushing (b. 1869), American neurosurgeon.


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