A native of Fresno, Mr. Elmore served as a captain in an engineering battalion in the U.S. Army during World War II and received several decorations, including the Silver Star for Conspicuous Gallantry in Action and the Distinguished Unit Badge as company commander. His unit also received the French Croix de Guerre.
After the war, Mr. Elmore graduated in 1949 with a bachelor's degree in mechanical engineering from the University of California at Berkeley.
During a career of research and development for the defense industry, Mr. Elmore founded Pulsepower Systems Inc. and was president of the company for 20 years. His 20 U.S. and foreign patents include liquid propellant guns and erosion jet drills. As a consultant, he helped develop advanced satellite and missile weapons systems for the Defense Department.
Mr. Elmore was a member of the American Rocket Society, the American Defense Preparedness Association, and the American Institute of Aeronautics and Astronautics.
He is survived by his wife Sheri of Portola Valley, daughter Paula of San Francisco, son Stephen of Austin, Texas, and two grandchildren.
Contributions "in memory of Lester C. Elmore" may be sent to the International House at UC Berkeley, 2299 Piedmont Avenue, Berkeley, CA 94720.