Johann Ludwig Hannemann

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Johann Ludwig Hannemann
Born (1640-10-25)25 October 1640
Amsterdam, Republic of the United Netherlands
Died 25 October 1724(1724-10-25) (aged 84)
Kiel, Duchy of Schleswig-Holstein in Gottorp
Fields Physician and Physicist
Institutions University of Kiel
Doctoral students Georg Gottlob Richter
Known for Opposing the theory of circulation

Johann Ludwig Hannemann (25 October 1640 – 25 October 1724) was a professor of medicine who famously opposed the idea of the circulation of the blood. He studied the chemistry of phosphorus, gold, and hematite; wrote articles on metallurgy, botany, theology, and various medical topics. He was an adherent of the views of the ancients and pre-Renaissance alchemists. He trained his medical students according to the schools of Galen, Hippocrates, and Aristotle.

He first studied theology before studying medicine.

In 1675, he became a Full Professor at the University of Kiel.

He was the doctoral advisor of Georg Gottlob Richter. In 1680, he became a member of Leopoldina.


  • Biographie Medicale; Bayle, G.-L.; Thillaye, J. B.-J., Eds.; B. M. Israel: 1967 Reprint; pp. 184–185.
  • Jöcher's Allgemeine Gelehrten Lexicon; Johann Friedrich Gleditschen: 1750-1787; vol. 2, col 1352-1353.
  • Biographisches Lexikon der hervorragenden Ärzte; Urban & Schwarzenberg: 1962; vol. 3, pp. 52–53.

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