INVENTOR

Eugen Langen

1833 - 1895

Photo of Eugen Langen

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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 68,476 page views. His biography is available in 18 different languages on Wikipedia (up from 17 in 2019). Eugen Langen is the 246th most popular inventor (down from 236th in 2019), the 3,206th most popular biography from Germany (down from 2,801st in 2019) and the 34th most popular German Inventor.

Memorability Metrics

  • 68k

    Page Views (PV)

  • 52.79

    Historical Popularity Index (HPI)

  • 18

    Languages Editions (L)

  • 5.31

    Effective Languages (L*)

  • 2.11

    Coefficient of Variation (CV)

Among INVENTORS

Among inventors, Eugen Langen ranks 246 out of 426. Before him are Clive Sinclair, Ottó Bláthy, John Kemp Starley, Thonmi Sambhota, Ray Dolby, and Frank Zamboni. After him are Rodolphe Lindt, Aimo Lahti, Laurens Hammond, Ottomar Anschütz, Joseph Whitworth, and Léon Gaumont.

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Contemporaries

Among people born in 1833, Eugen Langen ranks 39. Before him are Alfred Clebsch, Félix Bracquemond, Theodor Meynert, Lazarus Fuchs, Louis Paulsen, and Kâmil Pasha. After him are Zacharie Astruc, Rosa Vercellana, Friedrich Daniel von Recklinghausen, Benedykt Dybowski, Infanta María Cristina of Spain, and Dimitrie Sturdza. Among people deceased in 1895, Eugen Langen ranks 49. Before him are Karl Vogt, Karl Schenk, Benjamin Godard, Lahiri Mahasaya, Grand Duke Alexei Mikhailovich of Russia, and L. L. Langstroth. After him are Ahmed Cevdet Pasha, Princess Elisabeth Anna of Prussia, Sophie Adlersparre, Hayranidil Kadın, Henri Ernest Baillon, and Meijer de Haan.

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 3,206 out of 7,253. Before him are Martin Winterkorn (1947), Hans-Jörg Butt (1974), Karl Mollweide (1774), Boris Pistorius (1960), Jacques Ignace Hittorff (1792), and Frederick III, Duke of Saxe-Gotha-Altenburg (1699). After him are Walter Heitler (1904), John George II, Duke of Saxe-Eisenach (1665), August Karl von Goeben (1816), Adolf Lüderitz (1834), Philibert, Margrave of Baden-Baden (1536), and Gerardus Vossius (1577).

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Among INVENTORS In Germany

Among inventors born in Germany, Eugen Langen ranks 34. Before him are Carl Wilhelm Siemens (1823), Helmut Gröttrup (1916), Artur Fischer (1919), Max Skladanowsky (1863), Ottmar Mergenthaler (1854), and Hans von Ohain (1911). After him are Fritz von Opel (1899), Ricardo Wolf (1887), Adolf Martens (1850), Franz Xaver Gabelsberger (1789), Wilhelm Bauer (1822), and Walter Bruch (1908).

German born Inventors

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