National Museum of Nuclear Science & History
V. E. Helgesen worked for the William A. Pope Company.
S. B. Spracklen worked for the Union Carbide & Carbon Corporation.
Robert Schwerin was drafted shortly before the end of the war, in 1945. Following the war, he re-enlisted to avoid being put on a desk job.
Coerver worked at the 200 West Area at Hanford during the Manhattan Project.