Updated Feb 20, 2026
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Jack Parsons: American rocket engineer (1914–1952).
Born in Los Angeles (died at age 37).
Biography
John Whiteside Parsons was an American rocket engineer, chemist, and Thelemite occultist. Parsons was one of the principal founders of both the Jet Propulsion Laboratory (JPL) and Aerojet. He invented the first rocket engine to use a castable, composite rocket propellant, and pioneered the advancement of both liquid-fuel and solid-fuel rockets.
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Frequently Asked Questions
How old was Jack Parsons?
Jack Parsons was born on and passed away on at the age of 37.
Where was Jack Parsons born?
Jack Parsons was born in Los Angeles.
Where can I find more information about Jack Parsons?
You can find more about Jack Parsons on Wikidata. Their full profile and filmography is available on this page.
