Definitions for von neumannvɒn ˈnɔɪ mɑn, -mən
Random House Webster's College Dictionary
Von Neu•mannvɒn ˈnɔɪ mɑn, -mən(n.)
John, 1903–57, U.S. mathematician, born in Hungary.
von Neumann, Neumann, John von Neumann(noun)
United States mathematician who contributed to the development of atom bombs and of stored-program digital computers (1903-1957)