National Museum of Nuclear Science & History
Leslie Seward worked for the United States Engineer District Office.
Mason worked in the 300 Area at Hanford during the Manhattan Project.
J. H. Seivers worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
