National Museum of Nuclear Science & History
H. E. Armstrong worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Williams worked at the 100-D Area at Hanford during the Manhattan Project.
G. C. Henderson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Edward Smith was a chemical engineer employed by the civilian contractor Eastman Kodak at the K-25 Plant in Oak Ridge, Tennessee.