National Museum of Nuclear Science & History
Day worked for Stone and Webster Engineering Corporation.
Robert Leroy Platzman was a chemist at the University of Chicago Metallurgical Laboratory during World War II.
Leonard W. Markley served as a sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Enola Gay.
Williams worked at the 300 Area at Hanford during the Manhattan Project.
M. F. McDermott worked for the Union Carbide & Carbon Corporation.