Simon Ramo Scientist
Simon "Si" Ramo (born May 7, 1913) is an American physicist, engineer, business leader and author. He led development of microwave and missile technology and is sometimes known as the father of the intercontinental ballistic missile (ICBM). He also developed General Electric's electron microscope. He has been partly responsible for the creation of two Fortune 500 companies, Ramo-Wooldridge (TRW after 1958) and Bunker-Ramo (now part of Honeywell).