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L. L. Zamenhof

1859 - 1917

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L. L. Zamenhof (15 December 1859 – 14 April 1917) was an ophthalmologist who lived for most of his life in Warsaw. He is best known as the creator of Esperanto, the most widely used constructed international auxiliary language.Zamenhof first developed the Esperanto language in 1873 while still in school. He grew up fascinated by the idea of a world without war and believed that this could happen with the help of a new international auxiliary language. Read more on Wikipedia

Since 2007, the English Wikipedia page of L. L. Zamenhof has received more than 798,051 page views. His biography is available in 105 different languages on Wikipedia (up from 104 in 2019). L. L. Zamenhof is the 11th most popular physician (down from 9th in 2019), the 11th most popular biography from Poland (down from 10th in 2019) and the most popular Polish Physician.

L. L. Zamenhof is most famous for inventing Esperanto, a language that is meant to be easy to learn and use.

Memorability Metrics

  • 800k

    Page Views (PV)

  • 76.38

    Historical Popularity Index (HPI)

  • 105

    Languages Editions (L)

  • 14.36

    Effective Languages (L*)

  • 3.59

    Coefficient of Variation (CV)

Page views of L. L. Zamenhofs by language


Among physicians, L. L. Zamenhof ranks 11 out of 502Before him are Robert Koch, Josef Mengele, Edward Jenner, Basil of Caesarea, Andreas Vesalius, and Muhammad ibn Zakariya al-Razi. After him are Albert Schweitzer, William Harvey, Li Ching-Yuen, Cyril of Alexandria, Cesare Lombroso, and Ignaz Semmelweis.

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Among people born in 1859, L. L. Zamenhof ranks 8Before him are Pierre Curie, Arthur Conan Doyle, Henri Bergson, Edmund Husserl, John Dewey, and Knut Hamsun. After him are Svante Arrhenius, Georges Seurat, Alfred Dreyfus, Billy the Kid, Yuan Shikai, and Sholem Aleichem. Among people deceased in 1917, L. L. Zamenhof ranks 6Before him are Émile Durkheim, Octave Mirbeau, Auguste Rodin, Edgar Degas, and Mata Hari. After him are Ferdinand von Zeppelin, Eduard Buchner, Adolf von Baeyer, Edward Burnett Tylor, Emil von Behring, and Buffalo Bill.

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In Poland

Among people born in Poland, L. L. Zamenhof ranks 11 out of 1,454Before him are Arthur Schopenhauer (1788), Catherine the Great (1729), Rosa Luxemburg (1871), Lech Wałęsa (1943), Paul von Hindenburg (1847), and David Ben-Gurion (1886). After him are Fritz Haber (1868), Günter Grass (1927), Wernher von Braun (1912), Johann Gottfried Herder (1744), Manfred von Richthofen (1892), and Daniel Gabriel Fahrenheit (1686).

Among PHYSICIANS In Poland

Among physicians born in Poland, L. L. Zamenhof ranks 1After him are Rudolf Virchow (1821), Paul Ehrlich (1854), Emil von Behring (1854), Albert Sabin (1906), Carl Wernicke (1848), Magnus Hirschfeld (1868), Alexander Bogdanov (1873), Jan Jesenius (1566), Bronisława Dłuska (1865), Gavriil Ilizarov (1921), and Hilary Koprowski (1916).