https://en.wikipedia.org/wiki/John_von_Neumann
> Claude Shannon called him "the smartest person I've ever met", a common opinion.
> Von Neumann founded the field of game theory as a mathematical discipline.
> .. leading him to a large number of military consultancies and consequently his involvement in the Manhattan Project.
> In 1950, von Neumann became a consultant to the Weapons Systems Evaluation Group..
> In 1955, von Neumann became a commissioner of the Atomic Energy Commission (AEC), which at the time was the highest official position available to scientists in the government.
> In his final years before his death from cancer, von Neumann headed the United States government's top-secret ICBM committee..