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 )

* 1858 – Christiaan Eijkman, Dutch physician, Nobel Prize laureate ( d. 1930 )

* August 11 – Christiaan Eijkman, Dutch physician and pathologist, recipient of the Nobel Prize in Physiology or Medicine ( d. 1930 )

* Christiaan Eijkman, ( 1858 – 1930 ), physician & pathologist Prize 1929

Christiaan Eijkman (; 11 August 1858 – 5 November 1930 ) was a Dutch physician and professor of physiology whose demonstration that beriberi is caused by poor diet led to the discovery of vitamins.

* A. M. Luyendijk-Elshout, Eijkman, Christiaan ( 1858 – 1930 ), in Biografisch Woordenboek van Nederland.

* Biography of Christiaan Eijkman ( 1858 – 1930 ) at the National Library of the Netherlands

* 1930 " My Dutch New Guinea Expedition ".

Edsger Wybe Dijkstra (; May 11, 1930 – August 6, 2002 ) was a Dutch computer scientist.

* 2012 – Frits Staal, Dutch philosopher ( b. 1930 )

* 1930 – Edsger Dijkstra, Dutch computer scientist ( d. 2002 )

* 1930 – Frits Staal, Dutch philosopher and scholar ( d. 2012 )

* 1930 – Bertha Brouwer, Dutch athlete ( d. 2006 )

* August 6 – Edsger W. Dijkstra, Dutch computer scientist ( b. 1930 )

* Ward, Christopher Dutch and Swedes on the Delaware, 1609-1664 ( University of Pennsylvania Press, 1930 )

Feijenoord won their first Dutch Cup in 1930 by scoring the only goal in a derby final against Excelsior.

The policy suffered, however, from serious underfunding, inflated expectations and lack of acceptance in the Dutch colonial establishment, and it had largely ceased to exist by the onset of the Great Depression in 1930.

Lectures in Dutch, the other official language of Belgium and the language actually spoken in Leuven, began to be provided in 1930.

One indirect result of this publicity was the American housing movement: a young Catherine Bauer attended one of May's conferences in 1930, and wrote her seminal " Modern Housing " based on research done in Frankfurt and with Dutch architect JJP Oud.

The company grew and operated until 1930, when it merged with a Dutch company, Margarine Unie, to form Unilever, the first modern multinational company.

The Catholic University of Leuven, based in Leuven (" Louvain " in French ), 30 km east of Brussels, provided lectures in French from its refounding in 1835, and in Dutch from 1930.

Dutch and Swedes on the Delaware, 1609-1664 ( University of Pennsylvania Press, 1930 )

The theory of aberrated point-spread functions close to the optimum focal plane was studied by the Dutch physicists Fritz Zernike and Nijboer in the 1930 – 40s.

Castrovalva is a lithograph print by the Dutch artist M. C. Escher, first printed in February 1930.

Frans Jozef Van Beeck or Franz Jozef van Beeck, also known as Joep van Beeck ( June 11, 1930 – October 12, 2011 ), was a Dutch author and Christian theologian who was also a prominent priest of the Society of Jesus.

The Bridge is a lithograph print by the Dutch artist M. C. Escher, first printed in March 1930.

Pieter Jelles Troelstra ( Leeuwarden, 20 April 1860 – The Hague, 12 May 1930 ) was a Dutch politician active in the socialist workers ' movement.

* Pieter Jelles Troelstra ( 1860 – 1930 ), Dutch socialist politician