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 )

* 1930 – Robert Bridges, English poet ( b. 1844 )

The SSRC awarded Whorf the grant and in 1930 he traveled to Mexico City where Professor Robert H Barlow put him in contact with several speakers of Nahuatl to serve as his informants, among whom were Mariano Rojas of Tepoztlán and Luz Jimenez of Milpa Alta.

* Robert Atkins ( 1930 – 2003 ), known for the Atkins diet

* 1930 – Robert Joffrey, American choreographer ( d. 1988 )

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

Both analyses failed to take into account the absorption of light by interstellar dust present in the galactic plane, but after Robert Julius Trumpler quantified this effect in 1930 by studying open clusters, the present picture of our galaxy, the Milky Way, emerged.

* 1930 – Robert Aumann, German-Israeli mathematician, Nobel Prize laureate

* 1849 – Robert Means Thompson, American naval officer ( d. 1930 )

By 1930 The New Yorker magazine began publishing new and modern ideas by young writers and humorists like Dorothy Parker, Robert Benchley, E. B.

* 1930 – Robert Ryman, American painter

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

* 1930 – Robert Parker, American R & B singer and musician

* 1844 – Robert Bridges, English poet ( d. 1930 )

Open clusters are often classified according to a scheme developed by Robert Trumpler in 1930.

* People on Sunday, Robert Siodmak, 1930

* 1930 – Robert Gavron, Baron Gavron, English publisher

* 1930 – Robert W. Firestone, American psychologist and author

RKO Radio Pictures released Danger Lights with Jean Arthur, Louis Wolheim, and Robert Armstrong on August 21, 1930 in a 65mm widescreen process known as NaturalVision, invented by film pioneer George K. Spoor.

* March 25 – Robert Joffrey, American dancer and choreographer ( b. 1930 )

* July 31 – Robert Francis, American actor ( b. 1930 )

** Robert Bridges, English poet ( d. 1930 )

* March 2 – Robert Means Thompson, American naval officer ( d. 1930 )

They had two children, Anne Wright Curry ( July 27, 1930 ) and Robert Wheatley Curry ( July 6, 1934 ).

One, advanced by Katherine Elwes Thomas in 1930 and adopted by Robert Ripley, posits that Humpty Dumpty is King Richard III of England, depicted in Tudor histories, and particularly in Shakespeare's play, as humpbacked and who was defeated, despite his armies at Bosworth Field in 1485.