National Museum of Nuclear Science & History
McGruder worked for Stone and Webster Engineering Corporation.
Vernon J. Rowley served as a sergeant in the 393rd Bombardment Squadron. He was the radar operator on the B-29 Jabit III on the Hiroshima mission.
B. O. Yeldell worked for the Edenfield Electric Company.
Gene Newlin served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.