Johannes Dryander, also known as Johannes Eichmann (1500-1560), was an academic.

Biography

Dryander was born in Wetter,

Holy Roman Empire The Holy Roman Empire, also known as the Holy Roman Empire of the German Nation after 1512, was a polity in Central and Western Europe, usually headed by the Holy Roman Emperor. It developed in the Early Middle Ages, and lasted for a millennium ...

as Johannes Eichmann. He studied

anatomy Anatomy () is the branch of morphology concerned with the study of the internal structure of organisms and their parts. Anatomy is a branch of natural science that deals with the structural organization of living things. It is an old scien ...

and

medicine Medicine is the science and Praxis (process), practice of caring for patients, managing the Medical diagnosis, diagnosis, prognosis, Preventive medicine, prevention, therapy, treatment, Palliative care, palliation of their injury or disease, ...

at the

University of Paris The University of Paris (), known Metonymy, metonymically as the Sorbonne (), was the leading university in Paris, France, from 1150 to 1970, except for 1793–1806 during the French Revolution. Emerging around 1150 as a corporation associated wit ...

and the

University of Erfurt The University of Erfurt () is a public university located in Erfurt, the capital city of the German state of Thuringia. It was founded in 1379, and closed in 1816. It was re-established in 1994, three years after German reunification. Therefore ...

from 1528 to 1534 before becoming a professor of medicine at the

University of Marburg The Philipps University of Marburg () is a public research university located in Marburg, Germany. It was founded in 1527 by Philip I, Landgrave of Hesse, which makes it one of Germany's oldest universities and the oldest still operating Prote ...

in 1535. Dryander held two public dissections in the following year and authored the first text illustrating a Galenic dissection of the

human brain The human brain is the central organ (anatomy), organ of the nervous system, and with the spinal cord, comprises the central nervous system. It consists of the cerebrum, the brainstem and the cerebellum. The brain controls most of the activi ...

in 1536. His ''Anatomiae pars prior'', an expanded edition published in 1537, marked a significant transition from medieval scholasticism to the precise observations of

Andreas Vesalius Andries van Wezel (31 December 1514 – 15 October 1564), latinized as Andreas Vesalius (), was an anatomist and physician who wrote '' De Humani Corporis Fabrica Libri Septem'' (''On the fabric of the human body'' ''in seven books''), which is ...

. Dryander's books featured detailed illustrations of the brain, skull, and cranial sutures, reflecting his personal use of dissections. His translation of Mundinus' anatomy in 1542 drew the ire of the anatomist as it plagiarized a portion of Vesalius' ''Tabulae sex''. He continued his work on

astrology Astrology is a range of Divination, divinatory practices, recognized as pseudoscientific since the 18th century, that propose that information about human affairs and terrestrial events may be discerned by studying the apparent positions ...

and

mathematics Mathematics is a field of study that discovers and organizes methods, Mathematical theory, theories and theorems that are developed and Mathematical proof, proved for the needs of empirical sciences and mathematics itself. There are many ar ...

until his death in 1560. His early books, as products of rational scientific thought, contributed significantly to the development of modern anatomy.

References

{{DEFAULTSORT:Dryander, Johannes 1500 births 1560 deaths 16th-century German mathematicians Academic staff of the University of Marburg