William J. McGraw

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.

Ray Belcher

Ray Belcher served in the 1395th Military Police Company, Aviation.

Horace W. Ellis

J. H. Hanson

Hanson worked at the 300 Area at Hanford during the Manhattan Project.