National Museum of Nuclear Science & History
Walter J. Grundhauser was a research assistant the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Henry “Hap” Arnold was a United States general. Arnold was born in Gladwyne, PA, in 1886. He attended the United States Military Academy, and was personally instructed by the Wright Brothers, becoming one of the first military pilots in United States history.
Conrad Roescke was a staff worker at Los Alamos during the Manhattan Project.
