- Born
- Died
- Birth nameNeumann János Lajos
- John von Neumann was born on December 28, 1903 in Budapest, Austria-Hungary [now Hungary]. He was married to Klára Dán and Marietta Kövesi. He died on February 8, 1957 in Washington, District of Columbia, USA.
- SpousesKlára Dán(November 17, 1938 - February 8, 1957) (his death)Marietta Kövesi(January 1, 1930 - November 2, 1937) (divorced, 1 child)
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