National Museum of Nuclear Science & History
Samuel Smith was a staff worker at Los Alamos during the Manhattan Project.
Ralph C. Berger served in the 603rd Air Engineering Squadron.
O’Black worked in the 200 East Area at Hanford during the Manhattan Project.
Horace Owen France was an associate biologist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Fred Blackwell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
