Which Happened First?

Jan Szczepanik

Jan Szczepanik
Image: Unknown authorUnknown author · Public domain · source

Jan Szczepanik 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.

Summary from Wikipedia (CC BY-SA 4.0) · Dates from Wikidata (CC0)

Who was born first?

Timeline

  1. George WashingtonMay 20, 1871 – March 29, 1946
  2. Slavoljub Eduard PenkalaApril 20, 1871 – February 5, 1922
  3. Jan Szczepanik (this page)June 13, 1872 – April 18, 1926
  4. Louis BlériotJuly 1, 1872 – August 1, 1936
  5. Mary Engle PenningtonOctober 8, 1872 – December 27, 1952
  6. Traian VuiaAugust 17, 1872 – September 3, 1950

Related

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Jan Szczepanik (June 13, 1872 – April 18, 1926) · Which Happened First?