National Museum of Nuclear Science & History
George Economou was an optical systems expert. Economou graduated from Harvard University with a degree in astronomy.
Zen B. Portwood worked for the J.A. Jones Construction Company.
Gordon Smith was a chemical engineer in the 9812th Technical Service Unit of the U. S. Army Corps of Engineers Special Engineer Detacment at the Clinton Engineer Works in Oak Ridge.
David Gurlinsky was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
