National Museum of Nuclear Science & History
R. F. Ridgeway worked for the Roane-Anderson Company.
Attended Washington University.
Hayden Rector was a contract attorney for the U.S. Army Corps of Engineers at Hanford, WA during the Manhattan Project.
Ivan Behymer came out from the Dupont 'black powder' plant in Illinois to Richland, Washington (Hanford) in March of 1943.
