D. T. Clem

R. M. Van Petten

R. M. Van Petten worked for the Kellex Corporation at the K-25 Plant.

W. E. Babcock

R. S. McNeil

McNeil worked in the 200 West Area at Hanford during the Manhattan Project.

H. G. Singleton

H. G. Singleton worked for the Roane-Anderson Company.