National Museum of Nuclear Science & History
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.
W. C. Keettel worked for the United States Engineer District Office.
H. P. Holloway worked for the Tennessee Eastman Corporation at the Y-12 Plant.
