ASTRONOMER

Laurent Cassegrain

1629 - 1693

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Laurent Cassegrain (French: [loʁɑ̃ kasgʁɛ̃]; c. 1629 – 1 September 1693) was a Catholic priest who is notable as the probable inventor of the Cassegrain reflector, a folded two-mirror reflecting telescope design. Read more on Wikipedia

Since 2007, the English Wikipedia page of Laurent Cassegrain has received more than 42,498 page views. His biography is available in 19 different languages on Wikipedia (up from 17 in 2019). Laurent Cassegrain is the 253rd most popular astronomer (up from 269th in 2019), the 3,048th most popular biography from France (up from 3,171st in 2019) and the 25th most popular French Astronomer.

Memorability Metrics

  • 42k

    Page Views (PV)

  • 53.37

    Historical Popularity Index (HPI)

  • 19

    Languages Editions (L)

  • 7.34

    Effective Languages (L*)

  • 1.67

    Coefficient of Variation (CV)

Among ASTRONOMERS

Among astronomers, Laurent Cassegrain ranks 253 out of 644. Before him are Oenopides, Vesto Slipher, William Wallace Campbell, Svetlana Gerasimenko, Bengt Strömgren, and Charles Wolf. After him are Klim Churyumov, Joel Hastings Metcalf, Sandra Faber, George Ellery Hale, Catherine Wolfe Bruce, and Nevil Maskelyne.

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Contemporaries

Among people born in 1629, Laurent Cassegrain ranks 17. Before him are William VI, Landgrave of Hesse-Kassel, Charles II, Duke of Mantua and Montferrat, Archduchess Isabella Clara of Austria, Adolph John I, Count Palatine of Kleeburg, Agnes Block, and Symeon of Polotsk. After him are Niels Juel, Jean-Henri d'Anglebert, and Cornelis Tromp. Among people deceased in 1693, Laurent Cassegrain ranks 13. Before him are Nicolaes Maes, Odoardo Farnese, Hereditary Prince of Parma, Johann Weikhard von Valvasor, John George II, Prince of Anhalt-Dessau, Elisabeth Hevelius, and John de Britto. After him are Maria van Oosterwijck, Johann Caspar Kerll, Willem van de Velde the Elder, Roger de Rabutin, Comte de Bussy, Flavio Chigi, and Claudio Coello.

Others Born in 1629

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Others Deceased in 1693

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In France

Among people born in France, Laurent Cassegrain ranks 3,048 out of 6,770. Before him are Charles Wolf (1827), Irène Jacob (1966), Ludovic Giuly (1976), Gabriel Hanotaux (1853), Félix Vicq-d'Azyr (1748), and Guiraut Riquier (1230). After him are Didier Six (1954), Michel Le Tellier (1603), Princess Françoise of Orléans (1902), Jacques Ozanam (1640), Odo de St Amand (1110), and Édith Scob (1937).

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Among ASTRONOMERS In France

Among astronomers born in France, Laurent Cassegrain ranks 25. Before him are Alexis Bouvard (1767), Jérôme Eugène Coggia (1849), Guillaume Le Gentil (1725), Jean Fernel (1497), César-François Cassini de Thury (1714), and Charles Wolf (1827). After him are André-Louis Danjon (1890), Jean-Louis Pons (1761), Henri-Alexandre Deslandres (1853), Rudolph Minkowski (1895), Henri Joseph Anastase Perrotin (1845), and Antoine Darquier de Pellepoix (1718).

French born Astronomers

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