Martin SummerfieldMartin Summerfield was an American physicist and rocket scientist, a co-founder of Aerojet, head of Princeton University propulsion and combustion laboratory.Life and careerSummerfield received B.S. degree in physics from Brooklyn College. He received his M.S. and Ph.D. degrees at the California Institute of Technology in 1937 and 1941, respectively. He was elected as a member of the National Academy of Engineering in 1979.