Johann Gottfried Galle

1812 - 1910

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Johann Gottfried Galle (9 June 1812 – 10 July 1910) was a German astronomer from Radis, Germany, at the Berlin Observatory who, on 23 September 1846, with the assistance of student Heinrich Louis d'Arrest, was the first person to view the planet Neptune and know what he was looking at. Urbain Le Verrier had predicted the existence and position of Neptune, and sent the coordinates to Galle, asking him to verify. Galle found Neptune in the same night he received Le Verrier's letter, within 1° of the predicted position. Read more on Wikipedia

Since 2007, the English Wikipedia page of Johann Gottfried Galle has received more than 204,973 page views. His biography is available in 57 different languages on Wikipedia (up from 55 in 2019). Johann Gottfried Galle is the 31st most popular astronomer, the 447th most popular biography from Germany (up from 465th in 2019) and the 5th most popular German Astronomer.

Johann Gottfried Galle is most famous for his discovery of Neptune in 1846.

Memorability Metrics

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    Historical Popularity Index (HPI)

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    Languages Editions (L)

  • 13.52

    Effective Languages (L*)

  • 2.80

    Coefficient of Variation (CV)


Among astronomers, Johann Gottfried Galle ranks 31 out of 644Before him are Charles Greeley Abbot, Jocelyn Bell Burnell, Giuseppe Piazzi, Robert Luther, Caroline Herschel, and Johannes Hevelius. After him are Wilhelm Schickard, Martin Ryle, Adolphe Quetelet, Michel Mayor, Jamshīd al-Kāshī, and Arthur Eddington.

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Among people born in 1812, Johann Gottfried Galle ranks 4Before him are Charles Dickens, Kaspar Hauser, and Théodore Rousseau. After him are Truganini, Alexander Herzen, Louise of Orléans, Ivan Goncharov, Moses Hess, Sigismond Thalberg, Amélie of Leuchtenberg, and Mirza Fatali Akhundov. Among people deceased in 1910, Johann Gottfried Galle ranks 15Before him are Edward VII, Nadar, Chulalongkorn, O. Henry, Mily Balakirev, and Marius Petipa. After him are Luigi Lucheni, Léon Walras, Huo Yuanjia, Elizabeth Blackwell, Giovanni Schiaparelli, and Jules Renard.

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In Germany

Among people born in Germany, Johann Gottfried Galle ranks 447 out of 7,253Before him are Louis the Child (893), Maximilian II Emanuel, Elector of Bavaria (1662), Gregor Strasser (1892), Maria Amalia of Saxony (1724), Frederick Augustus I of Saxony (1750), and Hedwig of Silesia (1174). After him are Victoria of Baden (1862), Conradin (1252), Wilhelm Furtwängler (1886), Otto Frank (1889), Till Lindemann (1963), and Ananda Mahidol (1925).

Among ASTRONOMERS In Germany

Among astronomers born in Germany, Johann Gottfried Galle ranks 5Before him are Johannes Kepler (1571), William Herschel (1738), Heinrich Wilhelm Matthias Olbers (1758), and Caroline Herschel (1750). After him are Wilhelm Schickard (1592), Heinrich Louis d'Arrest (1822), Max Wolf (1863), Johann Bayer (1572), Johann Franz Encke (1791), Simon Marius (1573), and Friedrich Georg Wilhelm von Struve (1793).