Leonard W. Fromm Jr.

K. A. O’Connor

K. A. O'Connor worked for the Roane-Anderson Company.

Allen Ridley

Ridley worked at the 300 Area at Hanford during the Manhattan Project.

Joseph A. Spang

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.