National Museum of Nuclear Science & History
Keith Coleman worked for the Tennessee Eastman Corporation at the Y-12 Plant.
William R. Purnell (1886-1955) was a Rear Admiral in the US Navy and served as the Navy liaison on the Military Policy Committee for the Manhattan Project.
Leo P. Hassen was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) 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.