National Museum of Nuclear Science & History
J. R. Evans worked for the William A. Pope Company.
Gross worked at the 100-D Area at Hanford during the Manhattan Project.
Joseph F. Gorman worked in mail and records for the Manhattan Engineer District, first in Syracuse, NY in 1936, then New York City.
William Spindel was a member of the Special Engineer Detachments at Oak Ridge and Los Alamos. Spindel worked in a group that helped make coatings for the implosion bomb.