National Museum of Nuclear Science & History
Barrett Castle worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Chalgren worked at the 200 West Area at Hanford during the Manhattan Project.
F. J. Ward worked for the J.A. Jones Construction Company.
Richard Gaul was fresh out of high school when he arrived in Los Alamos. He was a member of the Provisional Engineer Detachment (PED).
J. D. Hughes worked for the Tennessee Eastman Corporation at the Y-12 Plant.
