Klara Dan von Neumann

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Klara Dan von Neumann
Photograph of Klara Dan von Neumann.png
Klara Dan von Neumann. Photo by Alfred Eisenstaedt [1]
Born (1911-08-18)August 18, 1911
Budapest, Austria-Hungary
Died November 10, 1963(1963-11-10) (aged 52)
San Diego, California, United States
Residence United States
Nationality Hungarian and American
Fields Computer science
Institutions Princeton University
Site Y, Los Alamos
Known for MANIAC I

Klára (Klari) Dán Von Neumann (18 August 1911 – 10 November 1963) was a scientist, and a pioneer computer programmer. She wrote the code used on the MANIAC machine developed by John von Neumann and Julian Bigelow at the Los Alamos Scientific Laboratory. She was also involved in the design of new controls for ENIAC and was one of its primary programmers.[2][3] She taught early weather scientists how to program.[4]

Klára wrote the preface to John von Neumann's posthumously published, influential Silliman Lectures,[5] later edited and published by Yale University Press as "The Computer and the Brain".[6]

She was born in Budapest, Hungary in 1911, to Károly - Karl Dán and Camila Stadler. She reportedly took her own life in 1963.[7] She was married four times, including to John von Neumann in 1938, and to Carl Eckart in 1958.

She features significantly in computing historian George Dyson's book, Turing's Cathedral: The Origins of the Digital Universe, ISBN 978-0375422775.


  1. ^ Blair Jr, Cary (25 February 1957). Passing of a Great Mind. 42, No. 8. Time Inc. pp. 89–104. ISSN 0024-3019. Retrieved 31 March 2012. 
  2. ^ Coyle, Karen. "Turing's Cathedral, or Women Disappear". Coyle's InFormation. Karen Coyle. Retrieved 8 December 2013. 
  3. ^ Andrieu, Christophe; de Freitas, Nando; Doucet, Arnaud; Jordan, Michael I. (2003). "An Introduction to MCMC for Machine Learning" (PDF). Machine Learning. 50 (1/2): 5–43. doi:10.1023/A:1020281327116. 
  4. ^ Edwards, Paul N. (2010). A Vast Machine: Computer Models, Climate Data, and the Politics of Global Warming. The MIT Press. ISBN 978-0262013925. 
  5. ^ von Neumann, Klara. "Preface, Von Neumann Silliman lectures". The MacTutor History of Mathematics archive. School of Mathematics and Statistics, University of St Andrews Scotland. Retrieved 31 March 2012. 
  6. ^ Churchland, John von Neumann. With a foreword by Paul M. (2000). The computer and the brain (2nd ed.). New Haven, Conn. [u.a.]: Yale Nota Bene. ISBN 9780300084733. 
  7. ^ Chen, J with Su-I Lu, and Dan Vekhter. "Von Neumann and the Development of Game Theory". Retrieved 31 March 2012. 

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