History
Jack Parsons
PEOPLE | 1914-1952 John Whiteside Parsons John Whiteside Parsons (born Marvel Whiteside Parsons, 2 October 1914 – 17 June 1952), commonly known as Jack Parsons, was an American self-taught chemist and rocket propulsion engineer whose innovations in solid-fuel technology laid foundational groundwork for modern rocketry. Parsons was a pioneering experimentalist in applied