National Museum of Nuclear Science & History
Hannibal Fraga was an engineer. He joined the Manhattan Project in the fall of 1944. He worked in the inspection department at Los Alamos.
Jean Critzelous worked for the H. K. Ferguson Company.
Charles Shinpock worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Don Cowen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
