Martin Summerfield

American physicist and rocket scientist

Martin Summerfield (20 October 1916 – 18 July 1996) was an American physicist and rocket scientist, a co-founder of Aerojet, head of Princeton University propulsion and combustion laboratory.²

From Wikipedia’s article on Martin Summerfield (this version), CC BY-SA 4.0.

Born Oct 20, 1916, died Jul 18, 1996.¹