Nicolas Steno

Danish scientist and Catholic bishop (1638 – 1686)

Niels Steensen (Danish: Niels Steensen; Latinized to Nicolas Steno or Nicolaus Stenonius; 1 January 1638 – 25 November 1686 [NS: 11 January 1638 – 5 December 1686]) was a Danish scientist, a pioneer in both anatomy and geology who became a Catholic bishop in his later years. He has been beatified by the Catholic Church. Steensen was trained in the classical texts on science; however, by 1659, he seriously questioned accepted knowledge of the natural world.

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