National Museum of Nuclear Science & History
Cass worked for Stone and Webster Engineering Corporation.
F. D. Ethridge, Jr. worked for Clinton Laboratories at the X-10 Reactor.
Lansing Tryon was a staff worker at Los Alamos during the Manhattan Project.
Mary Olipra was a member of the Women's Army Auxiliary Corps (WAAC) assigned to Los Alamos, Mexico.
Chalgren worked at the 200 West Area at Hanford during the Manhattan Project.
