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PHYSICIST

Joseph von Fraunhofer

1787 - 1826

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Joseph Ritter von Fraunhofer (; German: [ˈfraʊnˌhoːfɐ]; 6 March 1787 – 7 June 1826) was a German physicist and optical lens manufacturer. He made optical glass, an achromatic telescope, and objective lenses. He also invented the spectroscope and developed diffraction grating. Read more on Wikipedia

Since 2007, the English Wikipedia page of Joseph von Fraunhofer has received more than 340,450 page views. His biography is available in 60 different languages on Wikipedia (down from 61 in 2019). Joseph von Fraunhofer is the 103rd most popular physicist (down from 71st in 2019), the 380th most popular biography from Germany (down from 280th in 2019) and the 18th most popular German Physicist.

Joseph von Fraunhofer is most famous for his discovery of the dark lines in the spectrum of the sun's light. These lines are now known as Fraunhofer lines.

Memorability Metrics

  • 340k

    Page Views (PV)

  • 67.64

    Historical Popularity Index (HPI)

  • 60

    Languages Editions (L)

  • 9.86

    Effective Languages (L*)

  • 3.16

    Coefficient of Variation (CV)

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Among PHYSICISTS

Among physicists, Joseph von Fraunhofer ranks 103 out of 717. Before him are Edward Teller, Walther Bothe, C. V. Raman, Joseph Henry, Hippolyte Fizeau, and Alfred Kastler. After him are Kip Thorne, Henry Moseley, George Gamow, Javier Solana, Victor Francis Hess, and Augustin-Jean Fresnel.

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Contemporaries

Among people born in 1787, Joseph von Fraunhofer ranks 3. Before him are Louis Daguerre and Shaka. After him are Jan Evangelista Purkyně, François Guizot, Maria Ludovika of Austria-Este, Vuk Karadžić, Rasmus Rask, Alfred I, Prince of Windisch-Grätz, Franz Xaver Gruber, Alexander Sergeyevich Menshikov, and Otto von Kotzebue. Among people deceased in 1826, Joseph von Fraunhofer ranks 4. Before him are Thomas Jefferson, Carl Maria von Weber, and John Adams. After him are Giuseppe Piazzi, Philippe Pinel, René Laennec, John VI of Portugal, Joseph Proust, Elizabeth Alexeievna, Stamford Raffles, and Jean Anthelme Brillat-Savarin.

Others Born in 1787

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Others Deceased in 1826

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In Germany

Among people born in Germany, Joseph von Fraunhofer ranks 380 out of 6,142. Before him are Otto Lilienthal (1848), Maria Josepha of Saxony, Dauphine of France (1731), Martin Behaim (1459), Moses Mendelssohn (1729), Georg von Küchler (1881), and Joachim Löw (1960). After him are Helmuth Weidling (1891), Ulrike Meinhof (1934), Kurt Georg Kiesinger (1904), Klaus Schwab (1938), Alfred von Schlieffen (1833), and Princess Victoria of Saxe-Coburg-Saalfeld (1786).

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Among PHYSICISTS In Germany

Among physicists born in Germany, Joseph von Fraunhofer ranks 18. Before him are Wilhelm Eduard Weber (1804), Gustav Ludwig Hertz (1887), Ernst Ruska (1906), Johannes Stark (1874), James Franck (1882), and Walther Bothe (1891). After him are J. Hans D. Jensen (1907), Julius von Mayer (1814), Ernst Abbe (1840), Arno Allan Penzias (1933), Hans Georg Dehmelt (1922), and Georg Christoph Lichtenberg (1742).

German born Physicists

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