National Museum of Nuclear Science & History
Lyons worked for Stone and Webster Engineering Corporation.
Ruth K. (McNunis) Bansch was a laboratory technician in the Health Division at the University of Chicago Met Lab.
A. G. Underwood worked for the J.A. Jones Construction Company.
Joseph Caldwell was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
W. L. Jordan worked for the J.A. Jones Construction Company.