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</ref> and the application of operator theory to quantum mechanics called [[von Neumann algebra]].  He was a member of the [[Manhattan Project]] who later worked with [[Edward Teller]] and [[Stanislaw Ulam]] to develop the steps for thermonuclear reactions necessary to build the hydrogen bomb.

</ref> and the application of operator theory to quantum mechanics called [[von Neumann algebra]].  He was a member of the [[Manhattan Project]] who later worked with [[Edward Teller]] and [[Stanislaw Ulam]] to develop the steps for thermonuclear reactions necessary to build the hydrogen bomb.

==Religon==

==Religion==

John von Neumann was born to a non-practicing [[Judaism | Jewish]] family but still had a ritual circumcision, he later converted to [[Roman Catholicism]]; While agnostic most of his life, von Neumann surprised friends by requesting to see a Catholic priest on his deathbed.{{fact}}

John von Neumann was born to a non-practicing [[Judaism | Jewish]] family but still had a ritual circumcision, he later converted to [[Roman Catholicism]]; While agnostic most of his life, von Neumann surprised friends by requesting to see a Catholic priest on his deathbed.{{fact}}