Dionysios Pyrrhos the Thessalian (Greek: Διονύσιος Πύρρος ο Θετταλός; 1774 or 1777, Kastania, Trikala – 12 February 1853, Athens), was a monk, doctor, writer and publisher. Biography Dionysios Pyrrhos was a monk from Thessaly. He studied in Tyrnavos and Kydonies under and Benjamin of Lesbos. He then studied medicine in Italy, and when he returned he taught philosophy and sciences in Athens. After the Greek War of Independence he returned to Athens again devoting himself to writing and practicing medicine. Apart from writing he also created maps and earth and celestial sphere globes. He also attempted to create a paper mill, but he failed. He set up a lithography place in Athens. He estimated the amount of the books he had printed to be about 25,000 volumes, covering a range of subjects: medicine, geography, history, morality, grammar. He died on 13 February 1853. References Sources Yanis Kordatos, History of Modern Greece, Volume 12. , "Dionysios Pyrrhos", in: K. Th. Dimaras, Composite I From education to literature, (edit. Alexis Politis), Seminary of New Hellenism, Athens, 2000, pp. 154–155 1774 births People from Trikala (regional unit) 1853 deaths People of the Modern Greek Enlightenment Greek people of the Greek War of Independence Greek Christian monks Archimandrites 19th-century Greek educators 19th-century Greek physicians Greek publishers (people) Greek mathematicians 19th-century Greek philosophers Greek cartographers 19th-century Greek historians Medical educators University of Pavia alumni 19th-century Greek scientists 18th-century Greek scientists 18th-century Greek educators