James Chadwick

Sir James Chadwick CH FRS (20 October 1891 – 24 July 1974) was an English Nobel laureate in physics awarded for his discovery of the neutron.

Chadwick studied at the University of Manchester and the University of Cambridge. He was one of the primary British scientists who worked in the Manhattan Project in the United States during World War II. He was knighted in 1945 for achievements in physics.