National Museum of Nuclear Science & History
McGruder worked for Stone and Webster Engineering Corporation.
Joseph Ryan was a staff worker at Los Alamos during the Manhattan Project.
G. Tolson worked for the Roane-Anderson Company.
K. L. Rathburn worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Joseph F. Gorman worked in mail and records for the Manhattan Engineer District, first in Syracuse, NY in 1936, then New York City.
