National Museum of Nuclear Science & History
See worked for Stone and Webster Engineering Corporation.
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.
Holt worked for Stone and Webster Engineering Corporation.
M. J. McDaniel worked for Clinton Laboratories at the X-10 Reactor.