National Museum of Nuclear Science & History
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.
Draper worked at the 100-B Area at Hanford during the Manhattan Project.
E. L. Douglas worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Beggs worked in the United States Engineer District Office.