National Museum of Nuclear Science & History
W. B. Berlincourt worked for the Roane-Anderson Company.
William Johnson worked for the United States Engineer District Office.
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.
