Home > 1939 in science

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

1 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).

2 Physics

• Nuclear fission discovered independently by Lise Meitner and Otto Hahn

3 Awards

• Nobel Prizes
  • Physics - Ernest Lawrence
  • ChemistryList of Nobel Prize laureates in Chemistry from 1901 to the present day. 1900s 1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s 2000s 1900s 1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s 2000s External link http://www. se/chemistry/laureates/i - Adolf Friedrich Johann Butenandt, Lavoslav RuzickaLavoslav (Leopold) Ruzicka ( September 13, 1887 September 26, 1976) was a Nobel Prize winner in chemistry, the first one from Croatia. He holds eight honorary doctorates (4 Science, 2 Medicine, 1 Natural Sciences, 1 Law), 7 prizes and medals, and 24 honor
  • MedicineList of Nobel Prize laureates in Physiology or Medicine from 1901 to the present day. 1900s 1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s 2000s 1900s 1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s 2000s External links http://www. se/medicin - Gerhard DomagkGerhard Johannes Paul Domagk ( October 30, 1895 April 24, 1964) was a German pathologist and bacteriologist and Nobel laureate. Domagk was born in Lagow ( Brandenburg, Germany) as son of a school headmaster. He studied medicine at the University of Kiel,

4 Births

• May 19May 19 is the 139th day of the year in the Gregorian Calendar (140th in leap years). There are 226 days remaining. Events 1535 French explorer Jacques Cartier sets sail on his second voyage to North America with 3 ships, 110 men, and Chief Donnacona's 2 s - Dick ScobeeFrancis Richard "Dick" Scobee ( May 19, 1939 January 28, 1986) was an American astronaut who died commanding the Space Shuttle Challenger, which suffered catastrophic booster failure during launch of the STS-51-L mission. Born in Cle Elum, Washington, Sco (d. 1986See also Other events of 1986 List of years in science. 1985 in science 1986 in science 1987 in science. The year 1986 in science and technology observed many events, some of which are included in the list below. Astronomy and space exploration January 24), astronaut.
• October 7 - John Hopcroft, American theoretical computer scientist.