John Couch Adams

1819 - 1892

Photo of John Couch Adams

Icon of person John Couch Adams

John Couch Adams (; 5 June 1819 – 21 January 1892) was a British mathematician and astronomer. He was born in Laneast, near Launceston, Cornwall, and died in Cambridge. His most famous achievement was predicting the existence and position of Neptune, using only mathematics. Read more on Wikipedia

Since 2007, the English Wikipedia page of John Couch Adams has received more than 151,652 page views. His biography is available in 56 different languages on Wikipedia (up from 55 in 2019). John Couch Adams is the 104th most popular mathematician (up from 117th in 2019), the 486th most popular biography from United Kingdom (up from 550th in 2019) and the 9th most popular British Mathematician.

John Couch Adams is most famous for being the first person to predict the existence of Neptune, based on mathematical calculations.

Memorability Metrics

  • 150k

    Page Views (PV)

  • 73.02

    Historical Popularity Index (HPI)

  • 56

    Languages Editions (L)

  • 12.43

    Effective Languages (L*)

  • 3.04

    Coefficient of Variation (CV)

Page views of John Couch Adams by language


Among mathematicians, John Couch Adams ranks 104 out of 828Before him are Josef Stefan, Carl Gustav Jacob Jacobi, Leopold Kronecker, Stefan Banach, Thomas Harriot, and Christopher Clavius. After him are Jean-Victor Poncelet, Meton of Athens, Edward Norton Lorenz, Hippocrates of Chios, Lodovico Ferrari, and Gabriel Cramer.

Most Popular Mathematicians in Wikipedia

Go to all Rankings


Among people born in 1819, John Couch Adams ranks 16Before him are Báb, John Ruskin, Hippolyte Fizeau, George Eliot, Maria II of Portugal, and Franz von Suppé. After him are William T. G. Morton, Chlodwig, Prince of Hohenlohe-Schillingsfürst, George V of Hanover, Theodor Fontane, Gottfried Keller, and Louise Marie Thérèse of Artois. Among people deceased in 1892, John Couch Adams ranks 9Before him are Bahá'u'lláh, Ernest Renan, Princess Ludovika of Bavaria, Thomas Cook, Richard Owen, and Édouard Lalo. After him are Louis IV, Grand Duke of Hesse, Rudolf von Jhering, Alfred, Lord Tennyson, Prince Albert Victor, Duke of Clarence and Avondale, Grand Duke Konstantin Nikolayevich of Russia, and Charles Spurgeon.

Others Born in 1819

Go to all Rankings

Others Deceased in 1892

Go to all Rankings

In United Kingdom

Among people born in United Kingdom, John Couch Adams ranks 486 out of 6,924Before him are Vivienne Westwood (1941), James Hutton (1726), Thomas Harriot (1560), Peter Brook (1925), Prince Edward, Duke of Kent and Strathearn (1767), and Thomas Savery (1650). After him are John Bonham (1948), Austen Chamberlain (1863), Geoffrey of Monmouth (1090), G. E. Moore (1873), Offa of Mercia (800), and Sarah Churchill, Duchess of Marlborough (1660).

Among MATHEMATICIANS In United Kingdom

Among mathematicians born in United Kingdom, John Couch Adams ranks 9Before him are Ada Lovelace (1815), George Boole (1815), Alfred North Whitehead (1861), G. H. Hardy (1877), Isaac Barrow (1631), and Thomas Harriot (1560). After him are John Wallis (1616), Brook Taylor (1685), John Horton Conway (1937), Robert Grosseteste (1175), William Oughtred (1574), and Andrew Wiles (1953).