National Museum of Nuclear Science & History
T. H. Samford worked for the J.A. Jones Construction Company.
Canfield worked in the United States Engineer District Office.
Harold Fidler was an Army major and a civil engineer for the Corps of Engineers. Fidler began working at the Radiation Laboratory at Berkeley with Ernest O.
Wells worked for Stone and Webster Engineering Corporation.
Louis Slotin (1910-1946) was a Canadian physicist. Shortly after World War II, he died from radiation sickness contracted during a dangerous experiment conducted at Los Alamos.