National Museum of Nuclear Science & History
Nelle Gaddy worked for the J.A. Jones Construction Company.
H. F. Olin served in the 390th Air Service Group.
Hoff worked at the 300 Area at Hanford during the Manhattan Project.
Mary Elizabeth Barnes was a radiochemist working in the Y-12 Plant in Oak Ridge, Tennessee from 1946 to 1952.
J. P. Clark worked for the Roane-Anderson Company.
