National Museum of Nuclear Science & History
J. R. Siebert worked for the Comstock-Bryant Electric Company.
Ken Pumphrey joined the Manhattan Project at Los Alamos in 1946, where he worked as a security guard until 1948.
Staff Sergeant Edward F. O’Mara enlisted in the U.S. Army in 1942. Because of a blood condition, Army officials determined that he was not fit for combat duty.
Katharine Baker worked for the Tennessee Eastman Corporation at the Y-12 Plant.
