John von Neumann
Mathematician
Mathematician and polymath specialist. He contributed to such fields as physics, computer science, economics, and statistics.
He acquired his Ph.D. in mathematics at Pázmány Péter University.
He developed the steps for the nuclear physics of the hydrogen bomb as a prominent member of the Manhattan Project.
He married Klara Dan in 1938.
He won the 1956 Enrico Fermi Award.