National Museum of Nuclear Science & History
J. H. Mynatt worked for the United States Engineer District Office.
C. W. Fish worked for the J.A. Jones Construction Company.
John Fox is a mechanical engineer who worked for the Pacific Northwest National Laboratory and Battelle Memorial Institute.
Ivan Behymer came out from the Dupont 'black powder' plant in Illinois to Richland, Washington (Hanford) in March of 1943.