P.P. Russell

Joseph LaRocco

Joseph LaRocco was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Maurice C. Cangilla

Maurice C. Cangilla served in the 1st Ordnance Squadron.

E. P. Graham

E. P. Graham worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Howard H. Smith