* 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.

* March 2 – Dusty Springfield, English singer ( b. 1939 )

* Dusty Springfield ( 1939 – 1999 ), pop singer ( born Mary O ' Brien )

* Singer Dusty Springfield ( 1939 – 1999 ) has a gravesite and marker in the grounds of St Mary the Virgin parish church.

* Thomas L. Rhodes ( born 1939 ), Thomas L. " Dusty " Rhodes, American political editor and president of National Review

With a front office led by Hall of Famer Branch Rickey, Springfield also went to the playoffs in 1934, 1935, 1938, 1939 and 1941, and won league titles in 1932, 1934, 1937, and 1941.

Shore retired and bought the Springfield Indians of the American Hockey League, where he was player-owner in 1939 – 40.

Although three of the seven other charter-member I-AHL cities ( Springfield, Massachusetts, Syracuse, New York, and Providence, Rhode Island ) are also represented in the AHL today, only the Bears have played in the league without interruption since that inaugural 1938 – 1939 I-AHL season.

Merriam-Webster's Dictionary of English Usage says, " The list contains ( in approximate historical order from 1789 to 1939 ) such terms as Columbian, Columbard, Fredonian, Frede, Unisian, United Statesian, Colonican, Appalacian, Usian, Washingtonian, Usonian, Uessian, U-S-ian, Uesican, United Stater.

* 1939 – Jimmie Nicol, English drummer ( Colin Hicks & The Cabin Boys )

* 1939 – Ginger Baker, English drummer and songwriter ( Cream, Blind Faith, Blues Incorporated, and Atomic Rooster )

* 1939 – John Peel, English radio host and producer ( d. 2004 )

Sir Alan Ayckbourn CBE ( born 12 April 1939 ) is a prolific English playwright.

* 1939 – Kate O ' Mara, English actress

* 1939 – David Frost, English broadcaster and television host

* 1939 – Philip Langridge, English opera singer ( d. 2010 )

* 1992 – Michael Gothard, English actor ( b. 1939 )

( 1939 ), " Roger Leyburn and the Pacification of England, 1265-7 ", English Historical Review, 54.

John Dewey and English Education ( 1895 – 1939 ).

One result was the creation by the American company MGM of an English studio MGM-British in Hertfordshire, which produced some very successful films, including A Yank at Oxford ( 1938 ) and Goodbye, Mr. Chips ( 1939 ), before World War II intervened.

* 1939 – Gwen Taylor, English actress

* 1939 – Josephine Tewson, English actress

Since at least the 1960s, when Marc Bloch's Feudal Society ( 1939 ) was first translated into English in 1961, many medieval historians have included a broader social aspect that includes not only the nobility but all three estates of the realm, adding the peasantry bonds of manorialism and the estates of the Church ; this is sometimes referred to as " feudal society " since it encompasses all members of society into the feudal system.

He developed his ideas in Feudal Society ( 1939 – 40 ; English 1961 ).

Howard Carter ( 9 May 18742 March 1939 ) was an English archaeologist and Egyptologist known for discovering the tomb of 14th-century BC pharaoh Tutankhamun.

* 1939 – Tony Bullimore, English sailor and adventurer

* 1939 – Michael Gothard, English actor ( d. 1992 )

* 2009 – Bill Frindall, English cricket scorer and statistician ( b. 1939 )

* 1939 – Ian Hunter, English singer-songwriter and musician ( Mott the Hoople )

* 1939 – Jet Harris, English bassist ( The Shadows, The Jeff Beck Group, and The Vipers Skiffle Group ) ( d. 2011 )

* 1939 – Mary Peters, English athlete