National Museum of Nuclear Science & History
Maurice “Maury” Shapiro was an American physicist who studied underwater explosions at Los Alamos during the Manhattan Project.
E. P. Marguerat worked for the Union Carbide & Carbon Corporation.
Sidney Williams was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Major John A. Derry was a top military assistant, mainly working in Washington D.C., during the Manhattan Project.
