Sanford L. Simons

William H. Smith

Rudolph T. Vergath

Rudolph Vergath was a staff worker at Los Alamos during the Manhattan Project.

Abraham L. Longfield

Abraham L. Longfield was a Procurement and Property Officer for the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Andrew J. Welch

Andrew Welch was a janitor at the Chicago Met Lab during the Manhattan Project.