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INVENTOR

Eugen Langen

1833 - 1895

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Carl Eugen Langen (9 October 1833 in Cologne – 2 October 1895 in Elsdorf) was a German entrepreneur, engineer and inventor, involved in the development of the petrol engine and the Wuppertal Suspension Railway. In 1857 he worked in his father's sugar factory, JJ Langen & Söhne, and after extensive technical training at the Polytechnic institute in Karlsruhe, patented a method for producing sugar cubes. In 1870 he co-founded Pfeifer & Langen, still in operation today. Read more on Wikipedia

Since 2007, the English Wikipedia page of Eugen Langen has received more than 62,477 page views. His biography is available in 17 different languages on Wikipedia (up from 16 in 2019). Eugen Langen is the 236th most popular inventor (down from 226th in 2019), the 2,804th most popular biography from Germany (down from 2,686th in 2019) and the 34th most popular German Inventor.

Memorability Metrics

  • 62k

    Page Views (PV)

  • 52.52

    Historical Popularity Index (HPI)

  • 17

    Languages Editions (L)

  • 5.71

    Effective Languages (L*)

  • 1.94

    Coefficient of Variation (CV)

Page views of Eugen Langens by language


Among INVENTORS

Among inventors, Eugen Langen ranks 236 out of 354Before him are Elihu Thomson, Lucien Olivier, Artur Fischer, Genrich Altshuller, Carl Wilhelm Siemens, and Alphonse Beau de Rochas. After him are Fritz von Opel, Léon Gaumont, David Schwarz, James Dyson, Joseph Whitworth, and Alexander Parkes.

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Contemporaries

Among people born in 1833, Eugen Langen ranks 31Before him are Pedro Antonio de Alarcón, Eliza Lynch, Jovan Jovanović Zmaj, Marko Vovchok, Alfred Clebsch, and Carlos Finlay. After him are Theodor Meynert, Zacharie Astruc, Friedrich Daniel von Recklinghausen, Kâmil Pasha, Peter Waage, and Robert G. Ingersoll. Among people deceased in 1895, Eugen Langen ranks 44Before him are Mykhailo Drahomanov, Grand Duke Alexei Mikhailovich of Russia, Karl Vogt, Benjamin Godard, Albert F. Mummery, and Lahiri Mahasaya. After him are Princess Elisabeth Anna of Prussia, John Wesley Hardin, Camilla Collett, Sophie Adlersparre, Ahmed Cevdet Pasha, and Felix Hoppe-Seyler.

Others Born in 1833

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Others Deceased in 1895

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In Germany

Among people born in Germany, Eugen Langen ranks 2,804 out of 6,142Before him are Ludwig Adolf Wilhelm von Lützow (1782), Christoph Bernhard von Galen (1606), Alfred Andersch (1914), Malwida von Meysenbug (1816), Albert O. Hirschman (1915), and Duke Eugen of Württemberg (1758). After him are August Schmidhuber (1901), Paul Schmidt (1899), Christian Friedrich Daniel Schubart (1739), John, Margrave of Brandenburg-Küstrin (1513), Charlotte von Stein (1742), and Adolf Bertram (1859).

Among INVENTORS In Germany

Among inventors born in Germany, Eugen Langen ranks 34Before him are Helmut Gröttrup (1916), Max Skladanowsky (1863), Henrich Focke (1890), Ricardo Wolf (1887), Artur Fischer (1919), and Carl Wilhelm Siemens (1823). After him are Fritz von Opel (1899), Ottmar Mergenthaler (1854), Adolf Martens (1850), Franz Xaver Gabelsberger (1789), Walter Bruch (1908), and Albrecht Berblinger (1770).