National Museum of Nuclear Science & History
O'Brien worked for Stone and Webster Engineering Corporation.
Margaret Strombeck was a swtichboard operator at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Pierce worked for Stone and Webster Engineering Corporation.
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.
James F. Schumar was a metallurgist. In 1940, he became Chief Metallurgist at Wolverine Tube Company.
