National Museum of Nuclear Science & History
Charles Hobson worked for the United States Engineer District Office.
Ralph Watson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Kuehl worked in the 100 B Area at Hanford during the Manhattan Project.
John “Jack” Carleton Healey, a colonel in the U.S. Air Force, participated in the Manhattan Project as part of General Groves’ staff in Washington, DC.