John Von Neumann

1903 - 1957

mathematician

physicist

computer scientist

polymath

Little Boy

600 mts.

Aug. 6

Fat Man

469 mts.

Aug. 9, 1945

1944

Prisioner's dilemma

1. you betrays other who remains silent, you will free and other 20 years in prison

2. both betray other, each of them servers 5 years

3. both remain silent, both servers 1 year in prison

Nash equilibrium

each player is assumed to know the strategies of the other player

no player has anything to gain by changing only their own strategy

Mutual Assured Destruction

MAD

MAD doctrine

each side may destroy the other side

either side, if attacked for any reason would retaliate with equal or greater force

attack result is an immediate, irreversible escalation of hostilities 

and both will have mutual, total, and assured destruction.

1940 to 1991

second-strike capability