National Museum of Nuclear Science & History
Ray Sheehan worked for the United States Engineer District Office.
Morris S. Kaplan was a Chemical Engineer for the Houdaille-Hershey Company in Decatur, Illinois. Kaplan was born in Massachusetts in 1921 and grew up in Chicago, Illinois.
William H. Rice served in the First Ordnance Squadron.
Robert Coveyou was a mathematician and health physicist that worked at both the Met Lab in Chicago and at the X-10 graphite reactor in Oak Ridge, Tennessee.