National Museum of Nuclear Science & History
Hammond worked at the 300 Area at Hanford during the Manhattan Project.
William Lowe was studying chemical and metallurgical engineering when World War II began. He was appointed to the Special Engineering Detachment and arrived in Los Alamos and began assisting chemist Arthur Wahl.
Dorothy C. Johnson was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.