National Museum of Nuclear Science & History
J. P. Hogan worked for Hanley & Company.
Brown worked for Stone and Webster Engineering Corporation.
William P. Norris was an associate bio-chemist at the University of Chicago Met Lab. After a stint at the Dow Chemical Company, he joined the Manhattan Project in July 1944.
L. P. Riordan worked for Clinton Laboratories at the X-10 Reactor.
