Alexander the Great in the Quran River in the Punjab in 326 BC, his army nearly mutinied and refused to march further east, exhausted by years of campaigning. Alexander's desire to reach "the ends of the Earth" was instilled by his tutor Aristotle: Alexander derived his concept of `Asia' from the teaching of Aristotle, for whom `the inhabited earth' was surrounded by `the Great sea' Ocean, and was divided into three areas – `Europe, Libya and Asia.' Thus the earth was not round but flat, and `Asia' was limited on the west by the Tanais (Don), the inland sea and the Nile, and on the east
John Lucas (philosopher) John Lucas (philosopher) John Randolph Lucas (born 18 June 1929) is a British philosopher. John Lucas was educated at Winchester College and Balliol College, Oxford, where he studied first mathematics, then Greats (Greek, Latin, Philosophy and Ancient History), obtaining first class honours, and taking the Oxford MA in 1954. He spent the 1957–58 academic year at Princeton University, studying mathematics and logic. For 36 years, until his 1996 retirement, he was a Fellow and Tutor of Merton College, Oxford, and he remains an emeritus member of the University Faculty of Philosophy. He is a Fellow of the British Academy. Lucas