National Museum of Nuclear Science & History
Heffner worked at the 200 East Area at Hanford during the Manhattan Project.
Anthony French is a British physicist who worked on the Manhattan Project in Los Alamos. After graduating from Cambridge University, French began working on the British effort to build an atomic bomb, codenamed "Tube Alloys", at the Cavendish Laboratory.
F. D. McIntosh served in the 509th Headquarters and Base Services Squadron.
