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William Wallace Campbell

1862 - 1938

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William Wallace Campbell (April 11, 1862 – June 14, 1938) was an American astronomer, and director of Lick Observatory from 1901 to 1930. He specialized in spectroscopy. Read more on Wikipedia

Since 2007, the English Wikipedia page of William Wallace Campbell has received more than 72,548 page views. His biography is available in 27 different languages on Wikipedia (up from 26 in 2019). William Wallace Campbell is the 202nd most popular astronomer (up from 230th in 2019), the 3,120th most popular biography from United States (up from 3,425th in 2019) and the 36th most popular American Astronomer.

Memorability Metrics

  • 73k

    Page Views (PV)

  • 53.63

    Historical Popularity Index (HPI)

  • 27

    Languages Editions (L)

  • 9.77

    Effective Languages (L*)

  • 2.20

    Coefficient of Variation (CV)

Page views of William Wallace Campbells by language


Among astronomers, William Wallace Campbell ranks 202 out of 531Before him are Edward Walter Maunder, Giovanni Domenico Maraldi, Johann Heinrich von Mädler, James Dunlop, Johannes Fabricius, and Rudolf Wolf. After him are Johann Karl Friedrich Zöllner, Guillaume Le Gentil, Edward L. G. Bowell, James W. Christy, Heinrich Christian Schumacher, and Timocharis.

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Among people born in 1862, William Wallace Campbell ranks 68Before him are Sergei Nilus, Léon Boëllmann, Hjalmar Hammarskjöld, Theodor Boveri, Wil van Gogh, and Okakura Kakuzō. After him are Edward Grey, 1st Viscount Grey of Fallodon, Abram Arkhipov, Henri Le Sidaner, Mirza Alakbar Sabir, Alexander Guchkov, and Prince Alfons of Bavaria. Among people deceased in 1938, William Wallace Campbell ranks 94Before him are Fayzulla Khodzhayev, David Riazanov, Jānis K. Bērziņš, Frigyes Karinthy, Reginald Johnston, and Andrei Bubnov. After him are Ahn Changho, Branislaw Tarashkyevich, Prince Arthur of Connaught, E. C. Segar, Kazimierz Twardowski, and George Ellery Hale.

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In United States

Among people born in United States, William Wallace Campbell ranks 3,120 out of 18,182Before him are Paul Goodman (1911), Nancy Fraser (1947), Miley Cyrus (1992), Lead Belly (1888), Emmylou Harris (1947), and Ben Webster (1909). After him are Lauren German (1978), Mark Forest (1933), Steve Cropper (1941), Douglas Tompkins (1943), Jesse Jackson (1941), and Mabel Normand (1892).

Among ASTRONOMERS In United States

Among astronomers born in United States, William Wallace Campbell ranks 36Before him are Andrea M. Ghez (1965), Michael H. Hart (1932), William Henry Pickering (1858), Francis Preserved Leavenworth (1858), Robert Grant Aitken (1864), and Joel Hastings Metcalf (1866). After him are James W. Christy (1938), Seth Barnes Nicholson (1891), Heber Doust Curtis (1872), Milton L. Humason (1891), George Ellery Hale (1868), and Nancy Roman (1925).