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Births on April 21

Paul Karrer
1889Apr, 21

Paul Karrer

Paul Karrer, Russian-Swiss chemist and academic, Nobel Prize laureate (d. 1971)
Professor Paul Karrer FRS FRSE FCS (21 April 1889 – 18 June 1971) was a Swiss organic chemist best known for his research on vitamins. He and Norman Haworth won the Nobel Prize for Chemistry in 1937.

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Events on 1889

  • 8Jan

    Punched card

    Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
  • 30Jan

    Mayerling Incident

    Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in the Mayerling.
  • 23Mar

    Mirza Ghulam Ahmad

    The Ahmadiyya Muslim Community is established by Mirza Ghulam Ahmad in Qadian, British India.
  • 2May

    Treaty of Wuchale

    Menelik II, Emperor of Ethiopia, signs the Treaty of Wuchale, giving Italy control over Eritrea.
  • 6May

    Exposition Universelle (1889)

    The Eiffel Tower is officially opened to the public at the Universal Exposition in Paris.