Robert K. Sigman, AE 64, MS AE 68, PhD AE 69, of Atlanta on Feb. 26. A rocket scientist and senior research engineer emeritus at Georgia Tech, Sigman was well-respected among his peers for his voluminous research on combustion and propulsion. Sigman was a member of Georgia Tech’s aerospace engineering general faculty from the time he received his PhD until his retirement in 2000. In retirement, he was delighted to receive calls from NASA officials interested in talking with him about his research.
Sigman was an avid model builder and was active with the International Plastic Modelers Society. He built his first model at age 10 and continued until he became ill. He also was a racing enthusiast and worked for several years as a corner worker at Road Atlanta. He even made two trips with friends to France to watch the Le Mans sports car race. Sigman was fascinated by history and read constantly—sometimes up to four books at a time, according to his family.
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