National Museum of Nuclear Science & History
McMillan worked in the 100 F Area at Hanford during the Manhattan Project.
J. E. Gossett worked for the J.A. Jones Construction Company.
G. E. Knutson worked for the United States Engineer District Office.
John H. Martens was a research associate and chemist at the University of Chicago Met Lab and a member of the Special Engineer Detachment at Oak Ridge.