National Museum of Nuclear Science & History
Ed Helfenberger worked for the Roane-Anderson Company.
Richardson worked at the 200 West area during the Manhattan Project.Richardson worked at the 200 West area at Hanford during the Manhattan Project.
E. H. Grey worked for the Tennessee Eastman Corporation at the Y-12 Plant.
M. E. Ritchie served in the 390th Air Service Group.
