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Sir James Chadwick, CH, FRS (20 October 1891 – 24 July 1974) was an English physicist who was awarded the 1935 Nobel Prize in Physics for his discovery of the neutron in 1932. In 1941, he wrote the final draft of the MAUD Report, which inspired the U.S. government to begin serious atom bomb research efforts.
- 20 October 1891, Bollington, Cheshire, United Kingdom
- Physics
English physicist who discovered the neutron in 1932 and received the Nobel Prize for Physics in 1935. That discovery provided a new tool for inducing atomic disintegration, since neutrons, being electrically uncharged, could penetrate undeflected into the atomic nucleus.
- The Editors of Encyclopaedia Britannica
James Chadwick was a British physicist who discovered the neutron in 1935, the first elementary particle without electrical charge. He also worked on radioactivity problems and atomic disintegration under Rutherford and Geiger. He received the Nobel Prize for Physics in 1935 and was knighted in 1945.
The existence of a neutron as a new fundamental particle was firmly established by 1934. Chadwick was awarded the Nobel Prize in 1935 for its discovery. [3] Legacy. Chadwick's discovery of the neutron was the final piece in understanding the atomic puzzle and sparked a revolution leading to the nuclear age and the creation of nuclear weapons.
28 July 2023. By Rumeana Jahangir,BBC News. Getty Images. James Chadwick won a Nobel Prize for his discovery of the neutron. The Oppenheimer movie has inevitably ignited interest in one of the...
James Chadwick was the discoverer of the neutron, the neutral particle with about the same mass as a proton, in 1935. He received the Nobel Prize in Physics 1935 for this discovery, which was based on his experiments with alpha particles and beryllium.
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James Chadwick at the 1933 Solvay Conference. Chadwick had discovered the neutron the year before while working at Cavendish Laboratory. The discovery of the neutron and its properties was central to the extraordinary developments in atomic physics in the first half of the 20th century.
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