National Museum of Nuclear Science & History
G. M. Parrish worked for the Roane-Anderson Company.
Mildred Johnston worked for the J.A. Jones Construction Company.
Zweifel worked at the 200 East Area at Hanford during the Manhattan Project.
C. L. Henningsen, Jr. worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Perry Johnson worked for Clinton Laboratories at the X-10 Reactor.
