National Museum of Nuclear Science & History
Thomas S. Grennan served as a 2nd lieutenant in the 393rd Bombardment Squadron.
Alfred Pfanstiehl was a junior physicist at the Chicago Met Lab during the Manhattan Project. Pfanstiehl was a signatory of the Szilard Petition, an attempt to avert military use of the atomic bomb against Japan.
S. S. Peschel worked for the Tennessee Eastman Corporation at the Y-12 Plant.
M. E. Russell worked for the Tennessee Eastman Corporation at the Y-12 Plant.