National Museum of Nuclear Science & History
N. C. Parrish worked for the United States Engineer District Office.
R. L. Plowden worked for the J.A. Jones Construction Company.
Jack Rose was a machinist and armorer in the Special Engineering Detachment (SED) assigned to the 509th Composite Group in Wendover, Utah.
G. M. Armstrong worked for the Tennessee Eastman Corporation at the Y-12 Plant.
