CHEMIST

Hans von Pechmann

1850 - 1902

Photo of Hans von Pechmann

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Hans Freiherr von Pechmann (1 April 1850 – 19 April 1902) was a German chemist, renowned for his discovery of diazomethane in 1894. Pechmann condensation and Pechmann pyrazole synthesis. Read more on Wikipedia

Since 2007, the English Wikipedia page of Hans von Pechmann has received more than 48,298 page views. His biography is available in 16 different languages on Wikipedia. Hans von Pechmann is the 527th most popular chemist, the 5,040th most popular biography from Germany and the 102nd most popular German Chemist.

Memorability Metrics

  • 48k

    Page Views (PV)

  • 45.77

    Historical Popularity Index (HPI)

  • 16

    Languages Editions (L)

  • 5.11

    Effective Languages (L*)

  • 2.15

    Coefficient of Variation (CV)

Among CHEMISTS

Among chemists, Hans von Pechmann ranks 527 out of 602Before him are Hippolyte Mège-Mouriès, Karen Wetterhahn, Alexey Favorsky, Wilhelm Rudolph Fittig, Eugen Baumann, and Robin Hill. After him are Leslie Orgel, Sabir Yunusov, Peter Armbruster, Neil Bartlett, Robert Jarvik, and John Mayow.

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Contemporaries

Among people born in 1850, Hans von Pechmann ranks 107Before him are Eduard Sievers, Jane Ellen Harrison, Robert Ridgway, John Milne, Guerra Junqueiro, and William H. Welch. After him are Daniel Chester French, Nikolai Golitsyn, Jørgen Pedersen Gram, Ella Wheeler Wilcox, Yelena Polenova, and Heinrich Peters. Among people deceased in 1902, Hans von Pechmann ranks 79Before him are Frank Norris, Walter Reed, Almon Brown Strowger, Franz Sigel, Lőrinc Schlauch, and Juan Bautista Egusquiza. After him are William McGonagall, Ludwig von Brenner, Mikhail Clodt von Jürgensburg, John Henry Twachtman, Jimmy Ross, and Wade Hampton III.

Others Born in 1850

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Others Deceased in 1902

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In Germany

Among people born in Germany, Hans von Pechmann ranks 5,040 out of 7,253Before him are Liesl Karlstadt (1892), Friedrich Engel (1861), Stefan Andres (1906), Oscar Kreuzer (1887), Kurt Hoffmann (1910), and Arne Friedrich (1979). After him are Klaus Wolfermann (1946), Hanns Braun (1886), Stanislaw Tillich (1959), Max Streibl (1932), Carina Wiese (1968), and Shantel (1968).

Among CHEMISTS In Germany

Among chemists born in Germany, Hans von Pechmann ranks 102Before him are Gustav Rose (1798), Rainer Ludwig Claisen (1851), Arthur Rudolf Hantzsch (1857), Albert Ladenburg (1842), Wilhelm Rudolph Fittig (1835), and Eugen Baumann (1846). After him are Peter Armbruster (1931), Carl Jacob Löwig (1803), Karl Friedrich August Rammelsberg (1813), Hieronymous Theodor Richter (1824), Jürgen Hennig (1951), and Max Bodenstein (1871).