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PHYSICIST

Heinrich Geißler

1814 - 1879

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Johann Heinrich Wilhelm Geißler (26 May 1814 in Igelshieb – 24 January 1879) was a skilled glassblower and physicist, famous for his invention of the hand pumped Geissler mercury vacuum pump in the mid-1850's and in 1857, the Geissler tube, made of glass and used as a low pressure gas-discharge tube; these two inventions were critical technologies leading to the discovery of the electron.: 67  Geissler descended from a long line of craftsmen in the Thüringer Wald and in Bohemia. He found work in different German universities, eventually including the University of Bonn. There he was asked by physicist Julius Plücker to design an apparatus for evacuating a glass tube. Read more on Wikipedia

Since 2007, the English Wikipedia page of Heinrich Geißler has received more than 48,354 page views. His biography is available in 25 different languages on Wikipedia. Heinrich Geißler is the 343rd most popular physicist (down from 322nd in 2019), the 1,779th most popular biography from Germany (down from 1,541st in 2019) and the 52nd most popular German Physicist.

Memorability Metrics

  • 48k

    Page Views (PV)

  • 56.57

    Historical Popularity Index (HPI)

  • 25

    Languages Editions (L)

  • 9.07

    Effective Languages (L*)

  • 1.70

    Coefficient of Variation (CV)

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Among PHYSICISTS

Among physicists, Heinrich Geißler ranks 343 out of 717. Before him are Manfred von Ardenne, Karl Guthe Jansky, Shuji Nakamura, Walter A. Shewhart, Ami Argand, and John Theophilus Desaguliers. After him are Donna Strickland, Edward Witten, Sergey Ivanovich Vavilov, Jean-Antoine Nollet, Henri Pitot, and George Johnstone Stoney.

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Contemporaries

Among people born in 1814, Heinrich Geißler ranks 22. Before him are Duchess Helene of Mecklenburg-Schwerin, Juan Prim, 1st Count of Reus, Princess Marie Luise Charlotte of Hesse-Kassel, Pierre-Jules Hetzel, Sheridan Le Fanu, and Eugène Charles Catalan. After him are Alexander Cunningham, Rasoherina, Ivan Mažuranić, Henri Tresca, Théodolinde de Beauharnais, and Ernst Curtius. Among people deceased in 1879, Heinrich Geißler ranks 16. Before him are Julia Margaret Cameron, Maria Teresa of Savoy, Charles De Coster, Sher Ali Khan, Édouard-Léon Scott de Martinville, and Jón Sigurðsson. After him are August Bournonville, Heinrich Wilhelm Dove, Maurycy Gottlieb, Karl Friedrich Mohr, William, Prince of Orange, and August Grisebach.

Others Born in 1814

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Others Deceased in 1879

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In Germany

Among people born in Germany, Heinrich Geißler ranks 1,779 out of 6,142. Before him are Ernst Busch (1900), Gertrude of Hohenberg (1225), Prince Josias of Saxe-Coburg-Saalfeld (1737), Regino of Prüm (842), Claude Dornier (1884), and Frederick Louis, Hereditary Grand Duke of Mecklenburg-Schwerin (1778). After him are John Sutter (1803), Friedrich Hossbach (1894), Carl Reichenbach (1788), Princess Victoria Adelaide of Schleswig-Holstein (1885), Duke Wilhelm in Bavaria (1752), and Johann Trollmann (1907).

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Among PHYSICISTS In Germany

Among physicists born in Germany, Heinrich Geißler ranks 52. Before him are Christoph Scheiner (1575), Pascual Jordan (1902), August Kundt (1839), Johann Wilhelm Hittorf (1824), Moritz von Jacobi (1801), and Manfred von Ardenne (1907). After him are Paul Drude (1863), Franz Ernst Neumann (1798), Franz Aepinus (1724), Johanna Budwig (1908), Wolfgang Ketterle (1957), and Friedrich Paschen (1865).

German born Physicists

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