National Museum of Nuclear Science & History
O'Connor worked for Stone and Webster Engineering Corporation.
Lankford Huey served in the 603rd Air Engineering Squadron.
P. R. Engles worked at the 300 Area at Hanford during the Manhattan Project.
H. J. Mack worked for the Edenfield Electric Company.
L. W. Nordheim worked for Clinton Laboratories at the X-10 Reactor.