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.

* 1930 – Gandhi raises a lump of mud and salt and declares, " With this, I am shaking the foundations of the British Empire.

* 1930 – Manuel Neri, American artist

* 1930 – Michał Życzkowski, Polish technician ( d. 2006 )

* 1930 – Félix Guattari, French philosopher and theorist ( d. 1992 )

* 1930 – Gholamreza Takhti, Iranian wrestler ( d. 1968 )

* 1930 – Judge Joseph Force Crater steps into a taxi in New York and disappears never to be seen again.

* 1930 – Abbey Lincoln, American singer-songwriter and actress ( d. 2010 )

* 1930 – Betty Boop makes her cartoon debut in Dizzy Dishes.

* 1930 – Jacques Parizeau, Canadian economist and politician

* 1930 – Wilfried Hilker, German football referee

* 1930 – Don Ho, American singer and pianist ( d. 2007 )

* 1930 – Bernard Manning, English comedian ( d. 2007 )

* 1930 – Wilmer Mizell, American baseball player ( d. 1999 )

* 1930 – Vali Myers, Australian painter ( d. 2003 )

* 1930 – Cosima Wagner, Hungarian daughter of Franz Liszt and widow of Richard Wagner ( b. 1837 )

* 2012 – Jerry Lynch, American baseball player ( b. 1930 )

Iuliu Maniu ( 1873 – 1953 ) was prime minister with an agrarian cabinet from 1928 to 1930, but the Great Depression made proposed reforms impossible.

1930 ) vol 1 pp 1 – 146 covers many major thinkers down to 1800

* 1837 – Mary Harris Jones, American labor organizer ( d. 1930 )

* 1930 – Lionel Bart, English composer ( d. 1999 )

* 1930 – Pierre Bourdieu, French sociologist ( d. 2002 )

* 1930 – Julie Bovasso, American actress ( d. 1991 )

* 1987 – Colin Blakely, English actor ( b. 1930 )

* May 7 – Colin Blakely, Irish actor ( b. 1930 )

The artist Colin McCahon ( 1919 – 1987 ) lived in Oamaru in 1930 – 1931, attending the Middle School.

* Colin Dexter, OBE ( born 1930 ), English crime writer

An article in The People's Journal circa 1930 stated that one of the great pioneer speedway riders, Colin Watson, was born in Kirriemuir.

* Colin Blakely ( 1930 – 1987 ), British actor

"[...] the restoration of the synthetic vision of the political arithmeticians came in the 1930 ’ s with the work of Colin Clark who in 1937, in his National Income and Outlay brought together estimates of income, output, consumers ’ expenditure, government revenue and expenditure, capital formation, saving, foreign trade and the balance of payments.

* 1930 – Heather Harper, Irish-English soprano

* 1930 – Robert Culp, American actor ( d. 2010 )

* 1930 – Bruce Allpress, New Zealand actor

* 1930 – Sean Connery, Scottish actor and producer

* 1930 – Graham Jarvis, Canadian actor ( d. 2003 )

* 1930 – Roddy Maude-Roxby, English actor

* 1930 – Windsor Davies, English actor

* 1930 – Ben Gazzara, American actor ( d. 2012 )

* 1930 – Clive Revill, New Zealand actor

* 1930 – Bradford Dillman, American actor

* 1930 – Paul Soles, Canadian actor

* 1930 – Dick Sargent, American actor ( d. 1994 )

* 1930 – Andrew Sachs, English actor

* 1930 – Maximilian Schell, Austrian-born Swiss actor and film director

* 1930 – Donald Moffat, English-born actor

* 1930 – Jean-Louis Trintignant, French actor

* 1930 – Buck Henry, American actor

* 1930 – Robert Prosky, American actor ( d. 2008 )

* 1930 – Nico Minardos, American actor ( d. 2011 )

Eugene Allen " Gene " Hackman ( born January 30, 1930 ) is a retired American actor and novelist.

* 1930 – Jim Nabors, American actor

* 1930 – Bruce Boa, Canadian actor ( d. 2004 )

* 1930 – Gene Hackman, American actor

* 1930 – Rod Taylor, Australian-born American actor

* 1930 – Mher Mkrtchyan, Armenian actor ( d. 1993 )

* 1930 – Edward Woodward, English actor ( d. 2009 )