National Museum of Nuclear Science & History
Ed Helfenberger worked for the Roane-Anderson Company.
B. R. Hauk worked for the Tennessee Eastman Corporation at the Y-12 Plant.
W. H. Griffin worked for the H. K. Ferguson Company.
Dr. William F. Neuman worked as a biochemist for the Manhattan Project at the University of Rochester.
LaFern Little was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.