National Museum of Nuclear Science & History
Sheets worked for Stone and Webster Engineering Corporation.
Robert Follit was a member of the Special Engineering Detachment assigned to the 509th Composite Group on Tinian Island in the Pacfic.
Chowning worked at the 200 East Area at Hanford during the Manhattan Project.
M. J. O'Hara worked for the Tennessee Eastman Corporation at the Y-12 Plant.