National Museum of Nuclear Science & History
Jessen worked at the 200 East Area at Hanford during the Manhattan Project.
Robert Irwin worked for the Tennessee Eastman Corporation at the Y-12 Plant.
W. R. McCauley, Jr. worked for the United States Engineer District Office.
Major John J. Moran was assigned to the Manhattan Engineer District in Oak Ridge, TN from June 6, 1942 to January 12, 1946.