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BIOLOGIST

Joseph Leidy

1823 - 1891

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Joseph Mellick Leidy (September 9, 1823 – April 30, 1891) was an American paleontologist, parasitologist and anatomist. Leidy was professor of anatomy at the University of Pennsylvania, later becoming a professor of natural history at Swarthmore College and the director of scientific and educational programs at the Wagner Free Institute of Science. His book Extinct Fauna of Dakota and Nebraska (1869) contained many species not previously described and many previously unknown on the North American continent. Read more on Wikipedia

Since 2007, the English Wikipedia page of Joseph Leidy has received more than 169,252 page views. His biography is available in 22 different languages on Wikipedia (up from 21 in 2019). Joseph Leidy is the 664th most popular biologist (down from 562nd in 2019), the 6,368th most popular biography from United States (down from 5,091st in 2019) and the 95th most popular American Biologist.

Memorability Metrics

  • 170k

    Page Views (PV)

  • 46.91

    Historical Popularity Index (HPI)

  • 22

    Languages Editions (L)

  • 4.11

    Effective Languages (L*)

  • 3.13

    Coefficient of Variation (CV)

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Among BIOLOGISTS

Among biologists, Joseph Leidy ranks 664 out of 841Before him are Charlotte Auerbach, Théodore Monod, Alexei Fedchenko, Georg Dionysius Ehret, Johan Andreas Murray, and Paul Gervais. After him are Andrew Smith, Heinrich Zollinger, Edward Newton, Eduard Oscar Schmidt, Alfred G. Knudson, and David Ho.

Most Popular Biologists in Wikipedia

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Contemporaries

Among people born in 1823, Joseph Leidy ranks 60Before him are Oscar Dickson, Gustav Adolf, Cardinal Prince of Hohenlohe-Schillingsfürst, John Evans, Gonçalves Dias, Lascăr Catargiu, and Daniel Harrwitz. After him are Eduard Oscar Schmidt, William M. Tweed, Emilio Arrieta, Joseph Jean Pierre Laurent, Francisco Asenjo Barbieri, and Spencer Fullerton Baird. Among people deceased in 1891, Joseph Leidy ranks 80Before him are Ahmed Vefik Pasha, Jean Stas, Laza Lazarević, Carl Johan Thyselius, Henry Litolff, and Sarah Childress Polk. After him are Nikolay Ilminsky, Lajos Haynald, Constantine Paparrigopoulos, Anton Heinrich Springer, Edwin Long, and Calixa Lavallée.

Others Born in 1823

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Others Deceased in 1891

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In United States

Among people born in United States, Joseph Leidy ranks 6,368 out of 18,182Before him are Kevin Conway (1942), Stephen Root (1951), Michael Imperioli (1966), Andy Roddick (1982), Alan Dean Foster (1946), and Francis Davis Millet (1848). After him are Lewis Sheldon (1874), Floyd Gottfredson (1905), Alison Arngrim (1962), Henry Dreyfuss (1904), Benjamin Orr (1947), and Sylvia Browne (1936).

Among BIOLOGISTS In United States

Among biologists born in United States, Joseph Leidy ranks 95Before him are Jack Horner (1946), Elmer Drew Merrill (1876), George Newbold Lawrence (1806), Benjamin Smith Barton (1766), Alice Hamilton (1869), and Nathaniel Lord Britton (1859). After him are Alfred G. Knudson (1922), Elizabeth Gertrude Britton (1858), Theobald Smith (1859), Daniel Giraud Elliot (1835), Karl Patterson Schmidt (1890), and Robert Trivers (1943).