National Museum of Nuclear Science & History
H. L. Gleason worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Egon Bretscher (1901-1973) was a chemist and nuclear physicist and was involved in the British atomic bomb effort.
Kopanski worked at the 200 East Area at Hanford during the Manhattan Project.
S. L. Ashburn worked for the Roane-Anderson Company.