sentences:  (1948) and Ph.D. (1951) in electrical engineering from the California Institute of Technology.While still in graduate school, he began working for Raytheon, where he helped develop early anti-aircraft guided missiles, making many innovations in the fields of radar and missile guidance and control.After joining the Hughes Aircraft Company in 1956, and while he was working on the development of airborne radars, the world was catapulted into the space age by the 1957 launch of Sputnik, the world's first artificial satellite.