Gregor Horst

Gregor Horst Latinized as Gregorius Horstius (5 November 1578 – 9 August 1636) was a German physician, anatomist and professor of medicine at the University of Giessen.

He promoted a shift from regurgitation of old medical ideas and was called Practicus prudens (experienced practitioner) and "the Aesculapius of the Germans".

They had six children including a namesake Gregor Horst (1626–1661) who became an anatomist and collaborated with Conrad Gesner.

He served as Rector of the university of Giessen in 1612 and 1616 but left in 1622 due to troubles from the Thirty Years' War.

Galen had dissected an ox and claimed that the fine network at the base of the brain was associated with the humors.