CHEMIST

Jan Szczepanik

1872 - 1926

Photo of Jan Szczepanik

Icon of person Jan Szczepanik

Jan Szczepanik (June 13, 1872 – April 18, 1926) was a Polish inventor, with several hundred patents and over 50 discoveries to his name, many of which are still applied today, especially in the motion picture industry, as well as in photography and television. Some of his concepts helped the future evolution of TV broadcasting, such as the telectroscope (an apparatus for distant reproduction of images and sound using electricity) or the wireless telegraph, which greatly affected the development of telecommunications. Read more on Wikipedia

Since 2007, the English Wikipedia page of Jan Szczepanik has received more than 92,577 page views. His biography is available in 18 different languages on Wikipedia (up from 16 in 2019). Jan Szczepanik is the 475th most popular chemist (down from 466th in 2019), the 701st most popular biography from Ukraine (down from 613th in 2019) and the 4th most popular Ukrainian Chemist.

Memorability Metrics

  • 93k

    Page Views (PV)

  • 55.85

    Historical Popularity Index (HPI)

  • 18

    Languages Editions (L)

  • 2.56

    Effective Languages (L*)

  • 3.06

    Coefficient of Variation (CV)

Among CHEMISTS

Among chemists, Jan Szczepanik ranks 475 out of 602Before him are Gerhard Schrader, Hermann Wilhelm Vogel, Pierre Adet, Peter Woulfe, Robert Havemann, and Archibald Scott Couper. After him are Hans Peter Jørgen Julius Thomsen, Ludwig Knorr, Luis E. Miramontes, Albert Kluyver, Charles Blagden, and David MacMillan.

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Contemporaries

Among people born in 1872, Jan Szczepanik ranks 141Before him are Friedrich, Prince of Wied, Augusts Kirhenšteins, Kote Marjanishvili, Mehdi Frashëri, Sarala Devi Chaudhurani, and Charles Gmelin. After him are Oswaldo Cruz, John McCrae, Zane Grey, Henri Masson, Wilfred Baddeley, and Richard Röstel. Among people deceased in 1926, Jan Szczepanik ranks 91Before him are Princess Frederica of Hanover, Giovanni Cagliero, Giovanni Amendola, Dmitry Furmanov, Thomas Moran, and Yervant Odian. After him are Hermann Bollé, Eliška Krásnohorská, Antonius van den Broek, Barbara La Marr, Carlo Luigi Spegazzini, and Patrick Leahy.

Others Born in 1872

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Others Deceased in 1926

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In Ukraine

Among people born in Ukraine, Jan Szczepanik ranks 701 out of 1,365Before him are Itzik Feffer (1900), Mark Donskoy (1901), Sviatoslav III of Kiev (null), Viktor Sadovnichiy (1939), Volodymyr Onyshchenko (1949), and Leo Deutsch (1855). After him are Ariel Durant (1898), Nicolas Rossolimo (1910), Mykhaylo Semenko (1892), Zbigniew Messner (1929), Oleksiy Fedorov (1901), and Julian Fałat (1853).

Among CHEMISTS In Ukraine

Among chemists born in Ukraine, Jan Szczepanik ranks 4Before him are Roald Hoffmann (1937), Erwin Chargaff (1905), and Jacques Bergier (1912). After him are Ivan Horbachevsky (1854).