National Museum of Nuclear Science & History
H. M. Schenk worked for the United States Engineer District Office.
Carl Kaddatz served in the 1st Ordnance Squadron.
Dunnigan worked at the 300 Area at Hanford 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.
