National Museum of Nuclear Science & History
Frank Pratt worked for the J.A. Jones Construction Company.
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.
J. C. Watkins worked for the United States Engineer District Office.
W. F. Gibson worked for the Roane-Anderson Company.