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INVENTOR

Heinrich Daniel Ruhmkorff

1803 - 1877

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Heinrich Daniel Ruhmkorff (Rühmkorff) (15 January 1803 – 20 December 1877) was a German instrument maker who commercialised the induction coil (often referred to as the Ruhmkorff coil). Ruhmkorff was born in Hanover. He changed the "ü" to "u" in his name when living abroad. Read more on Wikipedia

Since 2007, the English Wikipedia page of Heinrich Daniel Ruhmkorff has received more than 67,845 page views. His biography is available in 19 different languages on Wikipedia (up from 18 in 2019). Heinrich Daniel Ruhmkorff is the 165th most popular inventor (up from 183rd in 2019), the 1,973rd most popular biography from Germany (up from 2,112th in 2019) and the 22nd most popular German Inventor.

Memorability Metrics

  • 68k

    Page Views (PV)

  • 55.71

    Historical Popularity Index (HPI)

  • 19

    Languages Editions (L)

  • 7.83

    Effective Languages (L*)

  • 1.45

    Coefficient of Variation (CV)

Page views of Heinrich Daniel Ruhmkorffs by language


Among INVENTORS

Among inventors, Heinrich Daniel Ruhmkorff ranks 165 out of 354. Before him are Uziel Gal, Charles Martin Hall, Guillaume Amontons, Orban, Robert Cailliau, and Edwin Howard Armstrong. After him are Charles Cros, David Edward Hughes, Siegfried Marcus, Juan de la Cierva, 1st Count of la Cierva, Georges Claude, and Shigeo Shingo.

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Contemporaries

Among people born in 1803, Heinrich Daniel Ruhmkorff ranks 27. Before him are John Ericsson, Joseph Paxton, Henry Darcy, John Sutter, Friedrich von Amerling, and Heinrich Wilhelm Dove. After him are Robert Stephenson, Henri Herz, Muhammad IV of Morocco, Jacques Charles François Sturm, Alexander Georg von Bunge, and Karl Gützlaff. Among people deceased in 1877, Heinrich Daniel Ruhmkorff ranks 25. Before him are Constantine Kanaris, Kido Takayoshi, Yaqub Beg, Louis III, Grand Duke of Hesse, Princess Marie of Saxe-Weimar-Eisenach, and Prince Charles of Hesse and by Rhine. After him are Friedrich Graf von Wrangel, Philipp Veit, Walter Bagehot, Pōmare IV, Karl Friedrich von Steinmetz, and José de Alencar.

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Others Deceased in 1877

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In Germany

Among people born in Germany, Heinrich Daniel Ruhmkorff ranks 1,973 out of 6,142. Before him are Hans-Hermann Hoppe (1949), Franz Ernst Neumann (1798), Theodor Lipps (1851), Louis VI, Elector Palatine (1539), Louis IV, Elector Palatine (1424), and Gottfried Silbermann (1683). After him are Wilhelm Adam (1877), Veit Harlan (1899), Wilhelm Schmidt (1868), Helmuth Plessner (1892), Hans-Georg Schwarzenbeck (1948), and Princess Isabella of Bavaria (1863).

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Among INVENTORS In Germany

Among inventors born in Germany, Heinrich Daniel Ruhmkorff ranks 22. Before him are Hugo Schmeisser (1884), Johann Jacob Schweppe (1740), Heinrich Göbel (1818), Johann Nicolaus von Dreyse (1787), Johann Nepomuk Maelzel (1772), and Uziel Gal (1923). After him are Siegfried Marcus (1831), Peter Henlein (1479), Johann Christoph Denner (1655), Oskar Barnack (1879), Hans von Ohain (1911), and Helmut Gröttrup (1916).

German born Inventors

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