Charles W. Ziebarth

M. E. Ridge

M. E. Ridge worked for the United States Engineer District Office.

L. J. Kuhne

L. J. Kuhne worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Harold White

Gale Young

Gale Young was a research associate in theoretical studies at the University of Chicago Met Lab. Before joining the Manhattan Project in 1942, Young taught mathematics and physics at Olivet College.