National Museum of Nuclear Science & History
Hildebrand worked for Stone and Webster Engineering Corporation.
Mildred McNamara was a secretary in Oak Ridge, Tennessee from 1942 to 1946. Mildred Catherine Wilton was born in Somerville, Massachusetts in August 1895.
E. M. Kelman worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Gibbs worked at the 300 Area at Hanford during the Manhattan Project.