National Museum of Nuclear Science & History
O'Brien worked for Stone and Webster Engineering Corporation.
Charles Donald Shane was an American astronomer and personnel director at the Berkeley Rad Lab and Los Alamos during the Manhattan Project.
Quinton Poole served in the 1027th Air Material Squadron.
John H. Martens was a research associate and chemist at the University of Chicago Met Lab and a member of the Special Engineer Detachment at Oak Ridge.