National Museum of Nuclear Science & History
J. E. Metzger worked for the Comstock-Bryant Electric Company.
H. A. Rehnberg worked for the Kellex Corporation at the K-25 Plant.
W. W. Roberts worked for the Roane-Anderson 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.
Frank Osvath was a staff worker at Los Alamos during the Manhattan Project.
