National Museum of Nuclear Science & History
Ralph Shank worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Robert Krohn was born in Milwaukee, Wisconsin December 26, 1919. He attended the University of Wisconsin and graduated from the Electrical Engineering School in June of 1942.
Hayden Rector was a contract attorney for the U.S. Army Corps of Engineers at Hanford, WA during the Manhattan Project.