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 – Pierre Bourdieu, French sociologist ( d. 2002 )

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

* April 3 – Lionel Bart, English composer ( b. 1930 )

Common use of the phrase " The Great Depression " for the 1930s crisis is most frequently attributed to British economist Lionel Robbins, whose 1934 book The Great Depression is credited with ' formalizing ' the phrase, though US president Herbert Hoover is widely credited with having ' popularized ' the term / phrase, informally referring to the downturn as a " depression ", with such uses as " Economic depression cannot be cured by legislative action or executive pronouncement ", ( December 1930, Message to Congress ) and " I need not recount to you that the world is passing through a great depression " ( 1931 ).

His other leads included The Man from Blankley's ( 1930 ), Svengali ( 1931 ), The Mad Genius ( 1931 ), Grand Hotel ( 1932 ) ( in which he displays an affectionate chemistry with his brother Lionel ), Dinner at Eight ( 1933 ), Topaze ( 1933 ) and Twentieth Century ( 1934 ).

Lionel Bart ( 1 August 1930 – 3 April 1999 ) was a writer and composer of British pop music and musicals, best known for creating the book, music and lyrics for Oliver!

A protégé of Lionel Trilling, Norman Podhoretz ( b. 1930 ) took over in 1960, running the magazine with an iron hand until his retirement in 1995.

After Weston's 1926 election to President-General, he was succeeded by Frederick Augustus Toote ( 1929 ), Clifford Bourne ( 1930 ), Lionel Antonio Francis ( 1931 – 1934 ), Henrietta Vinton Davis ( 1934 – 1940 ), Lionel Antonio Francis ( 1940 – 1961 ), Captain A L King ( 1961 – 1981 ) and Milton Kelly, Jr. ( 1981 – 2007 ).

The Sackville family custom of following the Salic rules of primogeniture prevented Sackville-West herself from inheriting Knole upon the death of her father Lionel ( 1867 – 1930 ), the 3rd Lord Sackville, and her father bequeathed the estate to his brother Charles ( 1870 – 1962 ).

American Flyer and Lionel jointly purchased and operated Ives until 1930, when American Flyer sold its share to Lionel.

In 1930, Lionel bought out American Flyer's share in Ives and closed the Ives factory in Connecticut, moving operations to Lionel's New Jersey factory.

The Smiths left Borley on 14 July 1929 and, after some difficulty in finding a replacement, the Reverend Lionel Foyster, a first cousin of the Bulls, and his wife Marianne moved into the rectory with their adopted daughter Adelaide, on 16 October 1930.

Lionel and American Flyer bought Ives and operated it jointly until 1930, when Lionel bought Flyer's share.

The trains were considered a luxury item, and at the height of the Depression one of Lionel's more extravagant locomotives cost as much as a used Ford Model T. In an effort to compete with companies that were willing to undercut Lionel's prices without diluting its premium Lionel and Ives brands, Lionel introduced a line of inexpensive electric toy trains under the Winner Toys or Winner Toy Corp. brand name, which it sold from 1930 to 1932.

* Wiener, Lionel, Articulated Locomotives, 1930, reprinted 1970 by Kalmbach Publishing Company as ISBN 0-89024-019-1

* Jane, Lionel Cecil ( 1930 ) " The question of Tacna-Arica ..." Transactions of the Grotius Society 15: pp. 93 – 119

* Giles, Lionel ( 1930 – 1932 ).

Lerner married Alice Sendak in 1930 ; they had twin children, Marion and Lionel, in 1932.

A 1930 version recorded by Louis Armstrong featuring Lionel Hampton is the first known use of the vibraphone in popular music.

Sir Hugo Hirst, baronet | Bart, around 1930

* 1930 – Roddy Maude-Roxby, English actor

* 1930 – Windsor Davies, English actor

* 1930 – Chris Barber, English trombonist

* 1930 – Jack Taylor, English football referee ( d. 2012 )

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

* 1930 – Godfrey Milton-Thompson, English surgeon ( d. 2012 )

* 1930 – Andrew Sachs, English actor

It was presented in Ogden's book Basic English: A General Introduction with Rules and Grammar ( 1930 ).

* Hilbert's radio speech recorded in Königsberg 1930 ( in German ), with English translation

* 1930 – Matt Monro, English singer ( d. 1985 )

** Drake: An English Epic ( 1905 – 1908 ), The Torch-Bearers ( 1917 – 1930 ) by Alfred Noyes

* Burke, Thomas ( 1930 ) The English Inn.

* 1930 – Brian Statham, English cricketer ( d. 2000 )

* 1930 – John Lemmon, English logician and philosopher ( d. 1966 )

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

* 1930 – Shirley Williams, English politician

* 1844 – William Archibald Spooner, English priest and scholar ( d. 1930 )

* 1930 – Burt Kwouk, English actor

* 1930 – Joan Sims, English actress ( d. 2001 )

* 1860 – Tom Norman, English businessman and showman ( d. 1930 )

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

* 2009 – David Mellor, English designer ( b. 1930 )

* 1930 – Mark Birley, English nightclub owner, founded Annabel's ( d. 2007 )