Abraham P. Loeb

Bruno Yurgaites

Bruno Yurgaites was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.

Marian Pinckard

Marian Pinckard was a lab technician in the Chemistry Division of the Chicago Met Lab during the Manhattan Project.

Charles Dietrich

W. Hubbard

Hubbard worked for Stone and Webster Engineering Corporation.