John M. Campbell

G. N. Sawdy

G. N. Sawdy worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Lloyd T. Holt

Stephen Lawroski

Stephen Lawroski was an American chemical engineer who worked on the Manhattan Project at the University of Chicago’s Metallurgical Laboratory from 1944-1946.

H. Courtney

H. Courtney worked for the Rock City Construction Company.