Homer Joseph Stewart
American aeronautical engineer and rocket propulsion expert
About Homer Joseph Stewart
Lived 1915 – 2007 (aged 91). Homer Joseph Stewart was an American engineer, military flight engineer and university teacher.
Homer Joseph "Stewie" Stewart (August 15, 1915 – May 26, 2007) was an American aeronautical engineer, rocket propulsion expert, and Caltech professor, who pioneered the first American satellites.
Biography With a bachelor's degree from the University of Minnesota in 1936, Stewart matriculated at Caltech. In 1930s, Stewart and von Kármán constructed a turbine that later became known as the "Grandpa's Knob". It was built in the mountains of Vermont, "generated up to a megawatt of power and operated through World War II in cooperation with a local electrical company."
In addition to contributing to the development of the WAC Corporal, MGM-29 Sergeant, and Jupiter-C rockets, he helped prepare for Pioneer 4 and the preliminary planning of the Apollo Moon missions. He also recommended Cape Canaveral as a launching site. In 1959 Stewart and Wernher von Braun testified to Congress concerning the Soviet spacecraft and missile capabilities.
Except for his two-years with NASA, Stewart remained on Caltech's faculty from 1938 until 1980, when he retired as emeritus professor of aeronautics.
In 1970 he was awarded the NASA Exceptional Service Medal. At his death, Homer J. Stewart was survived by two daughters, one son, and two grandchildren.
Publications
(transcript of radio interview of Homer J. Stewart conducted by Irving Bengelsdorf)
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Important facts
People in Homer Joseph Stewart's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Homer Joseph Stewart's
Frequently asked questions
Who was Homer Joseph Stewart?
American aeronautical engineer and rocket propulsion expert
When was Homer Joseph Stewart born?
Homer Joseph Stewart was born on 15 August 1915 in Elba Township.
When did Homer Joseph Stewart die?
Homer Joseph Stewart died on 26 May 2007 in Altadena, California.
What was Homer Joseph Stewart's occupation?
Homer Joseph Stewart was an engineer, military flight engineer and university teacher.
What nationality was Homer Joseph Stewart?
Homer Joseph Stewart was American.
Sources & further reading
· Wikipedia: Homer Joseph Stewart
· DBpedia: Homer Joseph Stewart
Cite this page
APA: Biography.guide. (2026). Homer Joseph Stewart. https://biography.guide/homer-joseph-stewart/
MLA: "Homer Joseph Stewart." Biography.guide, https://biography.guide/homer-joseph-stewart/.
Chicago: "Homer Joseph Stewart." Biography.guide. https://biography.guide/homer-joseph-stewart/.
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