National Museum of Nuclear Science & History
H. W. Blanc worked for the Roane-Anderson Company.
Morgan worked for Stone and Webster Engineering Corporation.
Helen R. Hughes was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
H. G. Williams worked for Clinton Laboratories at the X-10 Reactor.
J. P. Hogan worked for Hanley & Company.
