National Museum of Nuclear Science & History
Harold Seward worked for the Roane-Anderson Company.
George Koval was an American chemical engineer and one of the most important Soviet spies of the 20th century.
Joseph F. Gorman worked in mail and records for the Manhattan Engineer District, first in Syracuse, NY in 1936, then New York City.
Ethel Taylor was a scientific assistant in the Women’s Army Corps at Los Alamos during the Manhattan Project.
