National Museum of Nuclear Science & History
H. F. Adams worked for the J.A. Jones Construction Company.
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.
E. Peck worked for the Roane-Anderson Company.
Brown worked in the United States Engineer District.
Winfield Sylvester was a staff worker at Los Alamos during the Manhattan Project.