1-153-695 - Ann Ronan Picture Library/Heritage-Images

Greek manuscript of Ptolemy's Geography. Ptolemy (Claudius of Ptolemeus) (c90-168) was an Alexandrian astronomer and geographer. His famous summary of Greek astronomical ideas and his theories of the universe dominated western ideas on astronomy and geography until the time of Copernicus, fourteen centuries later. This page shows his system for locating places in India. From the British Museum.