National Museum of Nuclear Science & History
George Caldwell worked for the J.A. Jones Construction Company.
Leonard Switalski served in the First Ordnance Squadron.
Willingham worked at the 200 West Area at Hanford during the Manhattan Project.
Dorothea lived in Chicago and was assigned to Dr. Robert Oppenheimer’s office in Los Alamos during the Manhattan Project.
Howard W. Anderson was a staff member at Los Alamos during the Manhattan Project.
