Matthew A. Guszak

David L. Hill

David L. Hill was an associate experimental physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

C. O. Wilson

Roman R. Vigil

Roman Vigil was a staff worker at Los Alamos during the Manhattan Project.

Roy W. Greenlee

Roy Greenlee was a chemist at the University of Chicago Metallurgical Lab and at Oak Ridge, Tennessee.