Alonzo Church

1903 - 1995

Photo of Alonzo Church

Icon of person Alonzo Church

Alonzo Church (June 14, 1903 – August 11, 1995) was a renowned American mathematician, logician, philosopher, professor and editor, who made major contributions to mathematical logic and the foundations of theoretical computer science. He is best known for the lambda calculus, the Church–Turing thesis, proving the unsolvability of the Entscheidungsproblem, the Frege–Church ontology, and the Church–Rosser theorem. He also worked on philosophy of language (see e.g. Read more on Wikipedia

Since 2007, the English Wikipedia page of Alonzo Church has received more than 606,271 page views. His biography is available in 48 different languages on Wikipedia (up from 47 in 2019). Alonzo Church is the 202nd most popular mathematician (down from 159th in 2019), the 1,574th most popular biography from United States (down from 1,173rd in 2019) and the 9th most popular Mathematician.

Alonzo Church was a logician and mathematician who is most famous for inventing the lambda calculus in the 1930s.

Memorability Metrics

  • 610k

    Page Views (PV)

  • 59.06

    Historical Popularity Index (HPI)

  • 48

    Languages Editions (L)

  • 5.65

    Effective Languages (L*)

  • 4.21

    Coefficient of Variation (CV)

Page views of Alonzo Churches by language


Among mathematicians, Alonzo Church ranks 202 out of 823Before him are Édouard Lucas, Georg von Peuerbach, Abu Nasr Mansur, Constantin Carathéodory, Piet Hein, and Lars Ahlfors. After him are Paolo Ruffini, Autolycus of Pitane, Theodorus of Cyrene, Willem de Sitter, S. R. Ranganathan, and Élie Cartan.

Most Popular Mathematicians in Wikipedia

Go to all Rankings


Among people born in 1903, Alonzo Church ranks 69Before him are Aleksei N. Leontiev, Maud Lewis, Princess Olga of Greece and Denmark, Abul A'la Maududi, Ernest Walton, and Fritz Bauer. After him are Louis Leakey, Bob Hope, Mikhail Kalatozov, Werner Ostendorff, Vladimir Bartol, and Lou Gehrig. Among people deceased in 1995, Alonzo Church ranks 56Before him are Bob Ross, Lita Grey, César Rodríguez Álvarez, Miklós Rózsa, Ernest Walton, and Mária Telkes. After him are Eazy-E, Edda Mussolini, James Meade, John B. Calhoun, Carlos Monzón, and Ko Takamoro.

Others Born in 1903

Go to all Rankings

Others Deceased in 1995

Go to all Rankings

In United States

Among people born in United States, Alonzo Church ranks 1,574 out of 18,182Before him are James Gandolfini (1961), Lee de Forest (1873), Joseph Nye (1937), George C. Scott (1927), Frederic Edwin Church (1826), and Edward W. Morley (1838). After him are Bessie Smith (1894), Michael Madsen (1957), Eazy-E (1964), Donald J. Cram (1919), Grant Wood (1891), and Reed Hastings (1960).

Among MATHEMATICIANS In United States

Among mathematicians born in United States, Alonzo Church ranks 9Before him are Claude Shannon (1916), Norbert Wiener (1894), Katherine Johnson (1918), Edward Norton Lorenz (1917), Herbert A. Hauptman (1917), and Mary Jackson (1921). After him are Lloyd Shapley (1923), Sam Loyd (1841), Karen Uhlenbeck (1942), Richard S. Hamilton (1943), Paul Cohen (1934), and John Milnor (1931).