The following is an excerpt from Mr. King's Obituary f
Charles H King started his engineering career in the early 1950s with Pratt & Whitney in East Hartford, Conn., where he later worked on one of the firm's most advanced projects: a liquid hydrogen-fueled rocket engine called the RL10.
The RL10, which is still in use today, has sent space vehicles on interplanetary missions to Mercury, Venus, Mars, Saturn, Jupiter, Uranus and Neptune.
In the early 1960s, Mr. King joined NASA, where he used his expertise on liquid-fueled engines to develop the boosters for the Saturn rockets.
Later, Mr. King was a leading engineer on the Apollo-Soyuz Test Project, a 1975 collaboration between NASA and the Soviet space program. During this period, Mr. King became so proficient in the Russian language that he was able to discuss the literary works of 19th-century writer Alexander Pushkin with Russian engineers and cosmonaut