National Museum of Nuclear Science & History
L. A. Castellanos worked for the J.A. Jones Construction Company.
Ralph R. Tison served in the 393rd Bombardment Squadron.
Shirley Nyden was a laboratory technician in the Chemistry Division at the University of Chicago Met Lab between June and December of 1944.
William Thomas McNamara worked in Oak Ridge Tennesee with his wife Mildred Wilton from 1942 to 1946. Prior to accepting a job at Oak Ridge, McNamara had worked at the Charlestown Navy Shipyard in Boston.
Swanson worked at the 100-D Area at Hanford during the Manhattan Project.