In 1540 he published a Latin edition of Ptolemy's Geographia with illustrations. In 1525 he published his first map as part of a broadside: The Instrument of the Suns combined a map, calendar, astrological almanac, sundial, and nocturnal on one attractive sheet, suitable for wall mounting. In 1524 Münster was appointed professor of Hebrew at Heidelberg University. He was the favorite of the famous mathematician and astronomer Johann Stöffler. In 1518 he completed his studies at the University of Tübingen. In 1509 Münster became a student of Konrad Pelikan, who taught Hebrew and Greek as well as mathematics and cosmography. In 1507 he went to Louvain, where he studied mathematics, geography, and astronomy. Sebastian Münster, a German geographer, cartographer, Hebraist, and theologian, was born in Ingelheim, near Mainz In 1505, he went to Heidelberg to enter the Franciscan order. An edition printed at Ulm in 1482, including woodcut maps, was the first one published north of the Alps. The earliest printed edition with engraved maps was produced in Bologna in 1477, followed quickly by a Roman edition in 1478. It seems likely that the topographical tables are cumulative texts – texts which were altered and added to as new knowledge became available in the centuries after Ptolemy. However, the maps in surviving manuscripts of Ptolemy's Geography only date from about 1300, after Maximus Planudes rediscovered the text. The Geographia is a compilation of geographical coordinates of the part of the world known to the Roman Empire during his time. The third is the Apotelesmatika, an astrological treatise in which he attempted to adapt horoscopic astrology to the Aristotelian natural philosophy of his day. The first is the astronomical treatise now known as the Almagest, and the second is the Geography, which is a thorough discussion of the geographic knowledge of the Greco-Roman world. Ptolemy wrote several scientific treatises.

This idea of a global coordinates system was highly influential, and we use a similar system today. He was the first to use longitudinal and latitudinal coordinates. Much of medieval astronomy and geography were built on his ideas. In Latin: Claudius Ptolemaeus was a Greek astronomer, mathematician, and geographer who lived in Alexandria during the 2nd century.

The Geography by Ptolemy