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Gilbert Jack

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Gilbertus Jacchaeus (Leiden, 1614)

Gilbert Jack (Latinized as Gilbertus Jacch(a)eus; c. 1578 – April 17, 1628) was Scottish Ramist[1] philosopher and physician.


He was born in Aberdeen, and studied at Marischal College under Robert Howie. In 1598 he went to the University of Helmstedt.[2][3]

He was professor, later of physics, at the University of Leiden, from 1605.[4] He was dismissed in 1619, suspected of sympathy with the Remonstrants;[5] he was reinstated in 1623.[2]

In 1626 he held the funeral oration for his deceased colleague Willebrord Snellius.

He died in Leiden.

His students included Franck Burgersdijk and Adolph Vorstius.[6]


  • Institutiones Physicae (1614)
  • Primae Philosophiae Institutiones (1616)
  • Institutiones Medicae (1624)

The Institutiones Physicae is in nine books, and accepts the occult influence of the heavens.[7]


  1. ^ Sarah Hutton, British Philosophy in the Seventeenth Century, Oxford University Press, 2015, p. 87.
  2. ^ a b Andrew Pyle (editor), Dictionary of Seventeenth Century British Philosophers (2000), article Jack, Gilbert, pp. 463–466.
  3. ^ [1][permanent dead link]
  4. ^ "Professors of physics in Leiden (1582-1950)".
  5. ^ Nicholas Thompson, The Long Reach of Reformation Irenicism: the Considerationes Modestae et Pacificae of William Forbes (1585–1634), p. 10
  6. ^ Gilbert Jack at the Mathematics Genealogy Project
  7. ^ Lynn Thorndike, History of Magic and Experimental Science, vol. 12 (1923) p. 390.

External links[edit]