National Museum of Nuclear Science & History
Tracy worked for Stone and Webster Engineering Corporation.
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.
B. Chadwick served in the 509th Headquarters and Base Services Squadron.
Elsie Mae Freeman was born in Missouri in 1900. She graduated high school in Chicago. After graduating, Elsie was recruited to work in a lab at the University of Chicago in 1919.
Charles Rogers was a staff worker at Los Alamos during the Manhattan Project.