W. B. Banker

Roy V. Henderson

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

Paul Baranowsky

Paul Baranowsky served in the Army group at the Metallurgical Laboratory in Chicago during the Manhattan Project.

Wallace Margelofsky

Frank Gerhart

Frank Gerhart worked for the Tennessee Eastman Corporation at the Y-12 Plant.