National Museum of Nuclear Science & History
George Economou was an optical systems expert. Economou graduated from Harvard University with a degree in astronomy.
Arnold Grubbe (1904-2002) was an engineer working for the civilian contractor Crane Company in Oak Ridge, Tennessee.
D. C. Miller worked for the Tennessee Eastman Corporation at the Y-12 Plant.
J. C. Hecker worked for the Tennessee Eastman Corporation at the Y-12 Plant.