National Museum of Nuclear Science & History
Halpern worked in the United States Engineer District Office.
Lindgren worked in the 300 Area at Hanford during the Manhattan Project.
Attended Carnegie Techical Institute.
Gunhild Swanson was a staff worker at Los Alamos during the Manhattan Project.
Hartley Rowe was an American industrial engineer. Rowe worked on the Panama Canal; for Lockwood Greene, an engineering firm; and for the United Fruit Company, where he rose to become vice president.
