National Museum of Nuclear Science & History
Hartman worked for Stone and Webster Engineering Corporation.
L. R. Malcolm served in the 390th Air Service Group.
Gerald Tyler was a commanding officer at Los Alamos during the Manhattan Project.
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.
