Death of RDS-37 Thermonuclear Bomb Creator in Moscow
Grigorii Klinishov, one of the creators of RDS-37, the first Soviet two-stage thermonuclear bomb, was found dead in Moscow. The nuclear physicist died as a result of taking his own life. He left a death note next to his body. Klinishov also developed several types of thermonuclear bomb charges for subsequent generations.