National Museum of Nuclear Science & History
N. F. Smyth worked for the Kellex Corporation at the K-25 Plant.
Attended Pennsylvania State University.
Grace R. Harvey was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John Ryan was a staff worker at Los Alamos during the Manhattan Project.
Hugh Healy worked for the Tennessee Eastman Corporation at the Y-12 Plant.