National Museum of Nuclear Science & History
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.
Caldwell worked at the 200 West Area at Hanford during the Manhattan Project.
Vincent worked at the 100-D Area at Hanford during the Manhattan Project.
Patricia Walsh was a research assistant at the Chicago Met Lab during the Manhattan Project. Walsh was born in 1920 in Washington, D.
