National Museum of Nuclear Science & History
Sidney Yenny was a staff worker at Los Alamos during the Manhattan Project.
C. L. Crabtree worked for the Tennessee Eastman Corporation at the Y-12 Plant.
George C. Hollowwa was a member of the Army Air Corps and a weapons expert. During and after World War II, he was involved in the assembly and testing of atomic weapons.
Harold Fidler was an Army major and a civil engineer for the Corps of Engineers. Fidler began working at the Radiation Laboratory at Berkeley with Ernest O.
