Aristotle, a student of Plato for almost 20 years, was the tutor of Alexander the Great . Aristotle’s interests covered a wide scope: ethics, metaphysics, physics, biology, mathematics, meteorology, astronomy, psychology, politics and rhetoric, among other topics. Aristotle was the first thinker who systematically developed the study of logic. Some of the components of Aristotelian logic existed long before Aristotle such as Socrates’ ideas on exact definition, argumentative techniques found in Zeno of Elea , Parmenides and Plato, and many other elements traceable to legal reasoning and mathematical proof. Aristotle’s logic system consists of five treatises known as the Organon, and although it does not exhaust all logic, it was a pioneering one, revered for centuries and regarded as the ultimate solution to logic and reference for science. Aristotle’s contribution in logic and science became an authority and remained unchallenged as late as the modern age: we can recall Galileo who, after careful observation during the Renaissance, came to the conclusion that most of the Aristotelian physics and astronomy was not in line with the empirical evidence and yet, Galileo’s ideas were widely rejected by his contemporary Aristotelian scholars. Even during the most obscure times during the Middle Ages, a copy of the Organon, or maybe fragments of it, could be found in all prestigious libraries.
Modern authors rarely write in Ancient Greek, though Jan Křesadlo wrote some poetry and prose in the language, and Harry Potter and the Philosopher's Stone  and some volumes of Asterix  have been translated into Ancient Greek. Ὀνόματα Kεχιασμένα ( Onomata Kechiasmena ) is the first magazine of crosswords and puzzles in Ancient Greek.  Its first issue appeared in April 2015 as an annex to Hebdomada Aenigmatum . Alfred Rahlfs included a preface, a short history of the Septuagint text, and other front matter translated into Ancient Greek in his 1935 edition of the Septuagint; Robert Hanhart also included the introductory remarks to the 2006 revised Rahlfs–Hanhart edition in the language as well. 
Two of the most powerful empires in the ancient world were Greece and Rome. It's impossible to understand these empires without understanding the religions that were so important to them. Religion wasn't simply a part of the lives of the ancient Greeks and the ancient Romans; religion was the lens through which they understood the universe and all the events within it. Although the religions of the ancient Greeks and Romans are virtually extinct in their original forms, they live on in the cultures, imaginations, and even the religions of the modern western world.