* 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.

Dewey's most significant writings were " The Reflex Arc Concept in Psychology " ( 1896 ), a critique of a standard psychological concept and the basis of all his further work ; Democracy and Education ( 1916 ), his celebrated work on progressive education ; Human Nature and Conduct ( 1922 ), a study of the function of habit in human behavior ; The Public and its Problems ( 1927 ), a defense of democracy written in response to Walter Lippmann's The Phantom Public ( 1925 ); Experience and Nature ( 1925 ), Dewey's most " metaphysical " statement ; Art as Experience ( 1934 ), Dewey's major work on aesthetics ; A Common Faith ( 1934 ), a humanistic study of religion originally delivered as the Dwight H. Terry Lectureship at Yale ; Logic: The Theory of Inquiry ( 1938 ), a statement of Dewey's unusual conception of logic ; Freedom and Culture ( 1939 ), a political work examining the roots of fascism ; and Knowing and the Known ( 1949 ), a book written in conjunction with Arthur F. Bentley that systematically outlines the concept of trans-action, which is central to his other works.

Terry Waite CBE ( born 31 May 1939 in Bollington, Cheshire ) is an English humanitarian and author.

Terry Kirkman, ( born December 12, 1939 ) in Salina, Kansas, U. S., is a musician and writer of the hit songs " Cherish ", " Everything That Touches You ", and " Six Man Band ".

Terry Atkinson ( born 1939 ) is an English artist.

The Art & Language group was founded in 1967 / 8 in the United Kingdom by artists Terry Atkinson ( b. 1939 ), David Bainbridge ( b. 1941 ), Michael Baldwin ( b. 1945 ) and Harold Hurrell ( b. 1940 ), four artists who began collaborating around 1966 while teaching art in Coventry.

A dog, named Terry, who played Toto in the 1939 film, The Wizard of Oz, was buried in 1945 somewhere beneath today's Ventura Freeway.

Kenneth Terry Jackson ( born 1939 ) is a professor of history and social sciences at Columbia University.

* Sir Terry Farrell ( architect ) ( born 1939 ), British architect

Terry ( dog ) | Terry with Judy Garland in the 1939 feature film, The Wizard of Oz ( 1939 film ) | The Wizard of Oz.

In the 1939 movie The Wizard of Oz, Toto was played by a female brindle Cairn Terrier whose real name was Terry.

On 28 October 1939 he married Joy Bromley — whom he had met in 1936 — and with whom he would later have two children, Terry and Penny.

* 1939 – Trevor McDonald, Trinidadian-English journalist

In 1939, DiMaggio was nicknamed the " Yankee Clipper " by Yankee's stadium announcer Arch McDonald, when he likened DiMaggio's speed and range in the outfield to the then-new Pan American airliner.

McDonald acted in the 1939 film Seven Little Australians as the twenty year-old stepmother " Esther ".

Sir Trevor McDonald OBE ( born George McDonald on 16 August 1939 ) is a Trinidadian-British newsreader and journalist.

This led Wheaties to tap him to replace Arch McDonald as the voice of the Washington Senators for the 1939 season ; McDonald was moving to New York as the first full-time radio voice of the Yankees and New York Giants.

His analysis of the B0 star Tau Scorpii, obtained on his 1939 visit to Yerkes and McDonald Observatories, provided the first detailed analysis of a star other than the Sun, and he was able to determine the physics and composition of the star ’ s atmosphere.

* William H. McDonald, Texas Land Commissioner, 1937 – 1939

Examples are McDonald v Dennys Lascelles Ltd ( 1933 ) 48 CLR 457 ( terms contracts ), Brunker v Perpetual Trustee Company Ltd ( 1937 ) 57 CLR 555 ( gifts, property ), Yerkey v Jones ( 1939 ) 63 CLR 649 ( Equity ) and Penfolds Wines v Elliott ( 1946 ) 74 CLR 204 ( personal property torts ).