National Museum of Nuclear Science & History
W. F. Gibson worked for the Roane-Anderson Company.
Painton worked for Stone and Webster Engineering Corporation.
J. E. Lain worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Francis Birch (1903-1992) was an American geophysicist. In 1942, Birch worked at the MIT Radiation Lab, which was tasked with radar development.