George Hovorka

W. Stuart Rule

Harry Penninger

Henry Penninger served in the 393rd Bombardment Squadron.

William “Bill” J. Knox

William “Bill” J. Knox was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Nelson Tibbatts

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