James Chadwick

1891 - 1974

Photo of James Chadwick

Icon of person James Chadwick

Sir James Chadwick, (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. He was the head of the British team that worked on the Manhattan Project during World War II. Read more on Wikipedia

Since 2007, the English Wikipedia page of James Chadwick has received more than 1,591,204 page views. His biography is available in 94 different languages on Wikipedia (up from 89 in 2019). James Chadwick is the 73rd most popular physicist (down from 46th in 2019), the 198th most popular biography from United Kingdom (down from 155th in 2019) and the 12th most popular British Physicist.

James Chadwick was a British physicist who is most famous for his discovery of the neutron in 1932.

Memorability Metrics

  • 1.6M

    Page Views (PV)

  • 70.47

    Historical Popularity Index (HPI)

  • 94

    Languages Editions (L)

  • 9.48

    Effective Languages (L*)

  • 4.90

    Coefficient of Variation (CV)


Among physicists, James Chadwick ranks 73 out of 851Before him are Rudolf Clausius, Otto von Guericke, Lev Landau, Gaspard-Gustave de Coriolis, Carl David Anderson, and Georges Lemaître. After him are Lawrence Bragg, Ernest Lawrence, Louis de Broglie, Mikhail Lomonosov, Manne Siegbahn, and C. F. Powell.

Most Popular Physicists in Wikipedia

Go to all Rankings


Among people born in 1891, James Chadwick ranks 11Before him are Sergei Prokofiev, Mikhail Bulgakov, Walter Model, Max Ernst, Nelly Sachs, and Edith Stein. After him are John Howard Northrop, Pär Lagerkvist, Henry Miller, Otto Dix, Rudolf Carnap, and Rafael Trujillo. Among people deceased in 1974, James Chadwick ranks 8Before him are Oskar Schindler, Georgy Zhukov, Juan Perón, Georges Pompidou, Amin al-Husseini, and Lyudmila Pavlichenko. After him are Vittorio De Sica, Pär Lagerkvist, U Thant, Baldur von Schirach, Duke Ellington, and Virginia Apgar.

Others Born in 1891

Go to all Rankings

Others Deceased in 1974

Go to all Rankings

In United Kingdom

Among people born in United Kingdom, James Chadwick ranks 198 out of 8,785Before him are Ken Loach (1936), Pete Townshend (1945), Arnold J. Toynbee (1889), Mary Wollstonecraft (1759), Charles II of England (1630), and William Golding (1911). After him are John Wycliffe (1324), Princess Alice of the United Kingdom (1843), Arthur C. Clarke (1917), Henry I of England (1068), Keith Richards (1943), and Judi Dench (1934).

Among PHYSICISTS In United Kingdom

Among physicists born in United Kingdom, James Chadwick ranks 12Before him are James Clerk Maxwell (1831), Paul Dirac (1902), J. J. Thomson (1856), William Gilbert (1544), William Thomson, 1st Baron Kelvin (1824), and Thomas Young (1773). After him are C. F. Powell (1903), Charles Glover Barkla (1877), Charles Thomson Rees Wilson (1869), Peter Higgs (1929), Owen Willans Richardson (1879), and Edward Victor Appleton (1892).