National Museum of Nuclear Science & History
A. J. MacDonald worked for the Union Carbide & Carbon Corporation.
Irwin Phillips worked for the United States Engineer District Office.
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.
Vaughn Wrenn worked for the Roane-Anderson Company.
