* 1939 – 1945, the Second Battle of the Atlantic.

Subsequent formalizations were framed as attempts to define " effective calculability " or " effective method "; those formalizations included the Gödel – Herbrand – Kleene recursive functions of 1930, 1934 and 1935, Alonzo Church's lambda calculus of 1936, Emil Post's " Formulation 1 " of 1936, and Alan Turing's Turing machines of 1936 – 7 and 1939.

* 1890 – Anthony Fokker, Dutch aviation engineer ( d. 1939 )

* 1939 – André Ouellet, French-Canadian politician

* 1852 – Ferdinand von Lindemann, German mathematician ( d. 1939 )

* 1939 – Alan Ayckbourn, English writer

* 1939 – Johnny Raper, Australian rugby league footballer

* 1939 – The 1939-40 New York World's Fair opens.

* 1939 – NBC inaugurates its regularly scheduled television service in New York City, broadcasting President Franklin D. Roosevelt's N. Y. World's Fair opening day ceremonial address.

* 1939 – First flight of the turbojet-powered Heinkel He 178, the world's first jet aircraft.

* 1939 – William Least Heat-Moon, American author

* 1939 – Edward Patten, American singer-songwriter and producer ( Gladys Knight & the Pips ) ( d. 2005 )

* 1939 – Bulle Ogier, French actress

* 1939 – Romano Prodi, Italian politician and statesman

* 1939 – Hércules Brito Ruas, Brazilian footballer

* 1939 – Albert Einstein and Leó Szilárd write a letter to Franklin D. Roosevelt, urging him to begin the Manhattan Project to develop a nuclear weapon.

* 1939 – Benjamin Barber, American theorist

* 1939 – Wes Craven, American director

* 1939 – John W. Snow, American politician, 73rd United States Secretary of the Treasury

* 1984 – Marvin Gaye, American singer ( The Moonglows ) ( b. 1939 )

* 2001 – Trinh Cong Son, Vietnamese composer ( b. 1939 )

Eastern European theorists include Pyotr Stolypin ( 1862 – 1911 ) and Alexander Chayanov ( 1888 – 1939 ) in Russia ; Adolph Wagner ( 1835 – 1917 ), and Karl Oldenberg in Germany, and Bolesław Limanowski ( 1835 – 1935 ) in Poland.

During this era, Cukor forged an alliance with screenwriters Garson Kanin and Ruth Gordon, who had met in Cukor's home in 1939 and married three years later.

* Gordon Browning, Governor of Tennessee, 1937 – 1939 and 1949 – 1953

As a supporting actor, his most notable success was as Detective Sergeant Bingham, a light comedy role played opposite Gordon Harker, in the popular Inspector Hornleigh film series: Inspector Hornleigh ( 1939 ), Inspector Hornleigh on Holiday ( 1939 ), and Inspector Hornleigh Goes to It ( 1941 ).

The patent for the original ski lift was issued to Mr. Curran along with Gordon H. Bannerman and Glen H. Trout ( Chief Engineer of the Union Pacific RR ) in March 1939.

# Sir Charles Blair Gordon ( 1927 to 1939 )

For example, the celebrated 1939 cinematic version, produced by Alexander Korda and Ralph Richardson its chief star, begins just after the death of Gordon in 1885 and most of its action takes place over a three-year period between 1895 and 1898, with its climax the Battle of Omdurman when British soldiers wore khaki uniforms.

Gordon and Ball previously worked together on The Wonder Show, starring Jack Haley, from 1938 to 1939.

* Henry L. Roberts " The Diplomacy of Colonel Beck " pages 579 – 614 from The Diplomats 1919 – 1939 edited by Gordon A. Craig & Felix Gilbert, Princeton University Press: Princeton, New Jersey, USA, 1953.

* Paul E. Zinner " Czechoslovakia: The Diplomacy of Eduard Benes " pages 100 – 122 from The Diplomats 1919 – 1939 edited by Gordon A. Craig & Felix Gilbert, Princeton University Press: Princeton, New Jersey, USA, 1953.

* Gordon Loud, The Megiddo Ivories, Oriental Institute Publication 52, University of Chicago Press, 1939, ISBN 978-0-226-49390-9

The initial design of the bombe was produced in 1939 at the UK Government Code and Cypher School at Bletchley Park by Alan Turing, with an important refinement devised in 1940 by Gordon Welchman.

The Xiphophorus Genetic stock center, founded by Dr Myron Gordon in 1939 is an important source of these fish for research.

Gordon Weaver Browning ( November 22, 1889May 23, 1976 ) was an American politician who represented Tennessee in the United States Congress and was later the 35th and 38th Governor of Tennessee from 1937 to 1939 and again from 1949 to 1953.

* Model of Gordon as he was before AND after his 1939 rebuild.

Joseph Gordon ( Joe ) Dobson ( January 20, 1917 – June 23, 1994 ), nicknamed " Burrhead ," was a Major League Baseball right-handed pitcher who played with the Cleveland Indians ( 1939 – 40 ), Boston Red Sox ( 1941 – 43, 1946 – 50, 1954 ) and Chicago White Sox ( 1951 – 53 ).

* Gordon Reid ( actor ) ( 1939 – 2003 ), Scottish actor

The couple had two sons, Alastair Lorne Campbell of Airds ( b. 1937 ) and Patrick Gordon Campbell ( b. 1939 ).

Eugene Gordon Lee ( October 25, 1933-October 16, 2005 ) was an American child actor, most notable for appearing in the Our Gang ( Little Rascals ) comedies as Porky from 1935 to 1939.

Gordon James O ' Connor, ( born May 18, 1939 ) is a retired Brigadier-General, businessman, lobbyist, and current Canadian Member of Parliament and the Minister of State and Chief Government Whip.

Gordon Arthur " Red, The Red Baron " Berenson ( born December 8, 1939 ) is a former Canadian professional ice hockey centre and is currently in his 28th year as head coach of the Michigan Wolverines men's ice hockey team.

Gordon Gund ( born October 15, 1939 ) is an American businessman and professional sports owner.

Nine editions of his Radio Laboratory Handbook, first published in 1939, later Radio and Electronic Laboratory Handbook, ( last and 9th, 1980 edition coauthored by George Gordon Johnstone, ISBN 0-408-00373-1 ) were published.

* Felicia Gordon, " Convergence and conflict: anthropology, psychiatry and feminism in the early writings of Madeleine Pelletier ( 1874 -- 1939 )," History of Psychiatry, 19, 2 ( 2008 ), 141-162.