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Samuel Hartlib
Royal Prussian-born English polymath c. 1600-1662 · Educators · Died at 62
Samuel Hartlib or Hartlieb was a polymath of German-Polish origin, who settled, married and died in England.
Samuel Hartlib is read about 18 times a day, in 13 languages.
A typical day, 30 days to 15 September 2026
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He was the son of Georg Hartlieb, a German merchant in Elbing (Elbląg), whose family had migrated to Poland at the beginning of the 16th century, and Elizabeth Langthon, a daughter of a rich English merchant in Danzig (Gdańsk). Hartlib was a noted promoter and writer in fields that included science, medicine, agriculture, politics and education. He was a contemporary of Robert Boyle, whom he knew well, and a neighbour of Samuel Pepys in Axe Yard, London, in the early 1660s. He studied briefly at the University of Cambridge upon arriving in England.