Harvey B. Heuser

E. N. Carples

Roy V. Henderson

Roy V. Henderson was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

A. C. Beltzner

Beltzner worked at the 100-D Area at Hanford during the Manhattan Project. 

H. L. Dickenson

H. L. Dickenson worked for the Tennessee Eastman Corporation at the Y-12 Plant.