National Museum of Nuclear Science & History
Britson worked at the 100-F Area at Hanford during the Manhattan Project.
Arthur Scott Weygandt was a chemical engineer at DuPont.
Duane Sewell began working with the Manhattan Project in 1941. He was one of the first people to arrive at Oak Ridge and experienced first-hand some of the difficulties there with cyclotrons and isotope separation.
Albert Hoersch, Jr. worked for the United States Engineer District Office.