National Museum of Nuclear Science & History
Henry Ward worked for the United States Engineer District Office.
Donald William Kerst is an American physicist known for his development of the betatron in 1940 and the Water Boiler Reactor at Los Alamos during the Manhattan Project.
Holmes worked at the 300 Area at Hanford during the Manhattan Project.
Frederick worked at Los Alamos during the Manhattan Project.
Dorothea lived in Chicago and was assigned to Dr. Robert Oppenheimer’s office in Los Alamos during the Manhattan Project.