Richard A. Vaughn

John Callahan

Hugh W. Stickler

Hugh Stickler worked for the Tennessee Eastman Corporation at the Y-12 Plant.

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.

Lester W. Andrews

Lester W. Andrews served in the 1395th Military Police Company, Aviation.