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 In vertebrates, the circulatory system is a organ system, system of organs that includes the heart, blood vessels, and blood which is circulated throughout the body. It includes the cardiovascular system, or vascular system, that consists of ...

. He studied the chemistry of phosphorus, gold, and

hematite Hematite (), also spelled as haematite, is a common iron oxide compound with the formula, Fe2O3 and is widely found in rocks and soils. Hematite crystals belong to the rhombohedral lattice system which is designated the alpha polymorph of . ...

; wrote articles on

metallurgy Metallurgy is a domain of materials science and engineering that studies the physical and chemical behavior of metallic elements, their inter-metallic compounds, and their mixtures, which are known as alloys. Metallurgy encompasses both the ...

botany Botany, also called plant science, is the branch of natural science and biology studying plants, especially Plant anatomy, their anatomy, Plant taxonomy, taxonomy, and Plant ecology, ecology. A botanist or plant scientist is a scientist who s ...

theology Theology is the study of religious belief from a Religion, religious perspective, with a focus on the nature of divinity. It is taught as an Discipline (academia), academic discipline, typically in universities and seminaries. It occupies itse ...

, 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 Aelius Galenus or Claudius Galenus (; September 129 – AD), often Anglicization, anglicized as Galen () or Galen of Pergamon, was a Ancient Rome, Roman and Greeks, Greek physician, surgeon, and Philosophy, philosopher. Considered to be one o ...

Hippocrates Hippocrates of Kos (; ; ), also known as Hippocrates II, was a Greek physician and philosopher of the Classical Greece, classical period who is considered one of the most outstanding figures in the history of medicine. He is traditionally referr ...

, and

Aristotle Aristotle (; 384–322 BC) was an Ancient Greek philosophy, Ancient Greek philosopher and polymath. His writings cover a broad range of subjects spanning the natural sciences, philosophy, linguistics, economics, politics, psychology, a ...

. He first studied theology before studying medicine. He is best known for disseminating the ''

Curse of Ham In the Book of Genesis, the curse of Ham is described as a curse which was imposed upon Ham's son Canaan by the patriarch Noah. It occurs in the context of Noah's drunkenness and it is provoked by a shameful act that was perpetrated by Noah's s ...

'' calumny. In 1675, he became a full professor at the

University of Kiel Kiel University, officially the Christian Albrecht University of Kiel, (, abbreviated CAU, known informally as Christiana Albertina) is a public research university in the city of Kiel, Germany. It was founded in 1665 as the ''Academia Holsator ...

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

Works

* *

References

* ''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.

External links

Books by Hannemann
{{DEFAULTSORT:Hannemann, Johann Ludwig 1640 births 1724 deaths 17th-century German physicians 18th-century German physicians Academic staff of the University of Kiel Physicians from Amsterdam