C. B. Graham

J. T. Wilson

William J. Wolkowitz

Attended the City College of New York.

Joseph Kouba

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

Albert L. Evand

Albert L. Evand was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.