Leonard J. Haigerty

S. Sussles

H. F. Crenner

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

Marian S. Baumann

Marian S. Baumann was a laboratory technician at the Metallurgical Laboratory in Chicago during the Manhattan Project.

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.