Paul Del Nero

James J. Urban

Urban worked at the 200 West Area at Hanford during the Manhattan Project. 

Andrew H. MacMahon

Andrew H. MacMahon was the Chief Property Officer of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

H. W. Jarvis

J. Nelson Tubb

Nelson Tubb worked for the Tennessee Eastman Corporation at the Y-12 Plant.