Homer S. Caldwell

Carl S. Helrich, Sr.

Carl Helrich (1895-1971) was a civil engineer for the J.A. Construction Company from 1943 to 1945 and helped construct the Oak Ridge town site and plant area.

Lester L. Bennett

Lester Bennett worked for the Kellex Corporation at the K-25 Plant.

M. P. Hammer

I. A. Butcher

I. A. Butcher worked for the Kellex Corporation at the K-25 Plant.