National Museum of Nuclear Science & History
Mumford worked in the 200 East Area at Hanford during the Manhattan Project.
Karl Walther was a glassblower for Columbia University and Brookhaven National Laboratory. During the Manhattan Project, Walther worked as a senior glassblower at the Nash Garage Building at Columbia, where scientists developed the gaseous diffusion process.
G. E. Knutson worked for the United States Engineer District Office.
Ralph A. Brininger served in the 1st Ordnance Squadron.
