National Museum of Nuclear Science & History
W. T. Yates worked for the Roane-Anderson Company.
Arnold Grubbe (1904-2002) was an engineer working for the civilian contractor Crane Company in Oak Ridge, Tennessee.
Roger Hildebrand is an American physicist and Manhattan Project veteran. He is the S.K. Allison Distinguished Service Professor, Emeritus, at the University of Chicago and is affiliated with the Enrico Fermi Institute.
Gritten worked in the United States Engineer District Office.
