National Museum of Nuclear Science & History
Martin Warren was a staff worker at Los Alamos during the Manhattan Project.
Jean Marley O’Leary began working for General Leslie Groves in June 1941, when she was hired as his personal secretary.
Ledbetter worked in the 200 East Area at Hanford during the Manhattan Project.
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.
