National Museum of Nuclear Science & History
L. M. Leach worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Henry J. Pepe served in the 1st Ordnance Squadron.
E. H. Mantz worked for Hanley & Company.
Donald A. Young was born in Detroit, MI. He graduated with a Doctor of Medicine degree from the Detroit College of Medicine and Surgery in June 1933.
Gilbert Mathis was an electrical engineer at Los Alamos from 1943 to 1946. He was recruited for the Manhattan Project as a member of the US Army Signal Corps.