National Museum of Nuclear Science & History
F. P. Fink worked for the Watson-Flagg Engineering Company.
Carpenter worked at the 200 East Area at Hanford during the Manhattan Project.
H. H. Brand worked for the Edenfield Electric Company.
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.
