Jan Tesánek

Jan Tesánek (Latin: Joannis Tessanek) (1728–1788) was a Bohemian scholar and author of scientific literature.

Tesánek studied at a gymnasium (school) in Prague and later at Faculty of Philosophy of Charles University.

In 1745, he became a Jesuit and studied mathematics, physics and astronomy under Joseph Stepling, a student of Ignatz Mühlwenzel.

He remained at the University after the dissolution of the Jesuit order in 1773 and assumed the position of head of the Department of Mathematics and Physics in 1778.

Tesánek is known for his many writings on the science of the day, helping to spread knowledge of scientific findings throughout Europe.