Rocketdyne
The Rocketdyne Division was founded by North American Aviation (NAA) in 1955, and was later part of Rockwell International (1967-1996) and Boeing (1996-2005). In 2005, the Rocketdyne Division was sold to United Technologies Corporation, becoming Pratt & Whitney Rocketdyne as part of Pratt & Whitney. In 2013, Pratt & Whitney Rocketdyne was sold to GenCorp, which merged it with Aerojet to form Aerojet Rocketdyne.
Bill Kaysing
Kaysing began work as the senior technical writer at Rocketdyne, starting on February 13, 1956. On September 24, 1956, he became a service analyst; starting September 15, 1958, he worked as a service engineer; and starting on October 10, 1962, as a publications analyst. From 1956 to 1963 Kaysing also served as head of technical publications for Rocketdyne (a division of North American Aviation and from 1967 of Rockwell International) where Saturn V rocket engines were designed and built. On May 31, 1963, he resigned for personal reasons.