National Museum of Nuclear Science & History
Ed Helfenberger worked for the Roane-Anderson Company.
M. E. Russell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
I. P. Grill served in the 390th Air Service Group.
Reuben McCord was a chemist who worked at several Manhattan Project sites. After graduating from Erskine College in South Carolina, he was recruited to work at the University of Chicago Metallurgical laboratory.
