National Museum of Nuclear Science & History
G. C. Henderson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
C. H. Hemmel, Jr. served in the 390th Air Service Group.
Andrew H. MacMahon was the Chief Property Officer of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Jesus Royball was a staff worker at Los Alamos during the Manhattan Project.