Jean Picard

1620 - 1682

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Jean Picard (21 July 1620 – 12 July 1682) was a French astronomer and priest born in La Flèche, where he studied at the Jesuit Collège Royal Henry-Le-Grand. He is principally notable for his accurate measure of the size of the Earth, based on a careful survey of one degree of latitude along the Paris Meridian. Read more on Wikipedia

Since 2007, the English Wikipedia page of Jean Picard has received more than 92,299 page views. His biography is available in 27 different languages on Wikipedia (up from 25 in 2019). Jean Picard is the 155th most popular astronomer (down from 115th in 2019), the 2,086th most popular biography from France (down from 1,487th in 2019) and the 15th most popular Astronomer.

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    Historical Popularity Index (HPI)

  • 27

    Languages Editions (L)

  • 6.25

    Effective Languages (L*)

  • 2.40

    Coefficient of Variation (CV)

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Among astronomers, Jean Picard ranks 155 out of 531Before him are Hermann Carl Vogel, Bernard Lyot, George Phillips Bond, Nicole-Reine Lepaute, Jean Chacornac, and Jacobus Kapteyn. After him are Tobias Mayer, Vesto Slipher, Andreas Cellarius, N. R. Pogson, Henry Draper, and Cleomedes.

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Among people born in 1620, Jean Picard ranks 10Before him are Avvakum, Aelbert Cuyp, Henri Coiffier de Ruzé, Marquis of Cinq-Mars, Pierre Puget, Miklós Zrínyi, and John Graunt. After him are Abraham van Beijeren, Nicholas Mercator, Prince Georg Friedrich of Waldeck, Johann Heinrich Schmelzer, François Bernier, and Masaniello. Among people deceased in 1682, Jean Picard ranks 13Before him are Johann Joachim Becher, Jacob Kettler, Alessandro Stradella, Avvakum, Baldassare Longhena, and Thomas Browne. After him are Prince Rupert of the Rhine, Juan Caramuel y Lobkowitz, Gu Yanwu, Heo Mok, and Yohannes I.

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In France

Among people born in France, Jean Picard ranks 2,086 out of 6,011Before him are Michel-Gabriel Paccard (1757), Marie Harel (1761), Étienne Dolet (1509), Tristan Corbière (1845), Samir Nasri (1987), and Carolus-Duran (1837). After him are Henry of Flanders (1174), François Georges-Picot (1870), Jacques Copeau (1879), Joséphin Péladan (1858), Bernard-René Jourdan de Launay (1740), and Jacques-Charles Dupont de l'Eure (1767).


Among astronomers born in France, Jean Picard ranks 15Before him are Pierre Janssen (1824), Joseph-Nicolas Delisle (1688), Guillaume Bigourdan (1851), Bernard Lyot (1897), Nicole-Reine Lepaute (1723), and Jean Chacornac (1823). After him are Auguste Charlois (1864), Dominique, comte de Cassini (1748), Jean-Louis Pons (1761), Jean Fernel (1497), Guillaume Le Gentil (1725), and Alexis Bouvard (1767).