National Museum of Nuclear Science & History
Grace Wallace worked for the United States Engineer District Office.
Jane Yantis was the wife of a petroleum engineer, Carl Yantis, who worked at the Oak Ridge site 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.
