National Museum of Nuclear Science & History
Henry Wigen worked for the United States Engineer District Office.
Brown worked at the 300 Area at Hanford during the Manhattan Project.
John M. “Jack” Hubbard was an American meteorologist. Considered one of the brightest meteorologists in the world by the early 1940s, Hubbard was a former student of the renowned meteorologist Irving Crick.
John M. Sprecher was a chemical engineer. During the Manhattan Project, he worked for DuPont in Wilmington, DE.
