Marcelo D. Boeri is full professor and researcher at the Philosophy Institute, Pontifical Catholic University (Chile). His main areas of interest are focused on psychology, moral psychology, and epistemology in Plato, Aristotle, and Stoicism. He has published papers in scientific journals, chapters of books, and books on these authors as well as annotated Spanish translations of Plato (Charmides, Theaetetus, Philebus), Aristotle (Physics I-II; VII-VIII. On the Soul), and the Early and Middle Stoicism. Yasuhira Y. Kanayama is full professor and researcher at Nagoya University (Japan). His main interest lies in Plato’s epistemology and methodology, and also in Ancient Scepticism. He has published numerous papers especially on Plato, and Japanese translations of all the works of Sextus Empiricus (with Mariko Kanayama), Aristotle, On Coming-to-be and Passing-away, and of such academic books as A.A. Long, Hellenistic Philosophy, and J. Barnes and J. Annas, The Modes of Scepticism. Jorge Mittelmann is associate professor and researcher at the Philosophy Institute, University of the Andes (Chile). His research is centered on Aristotle’s psychology (and its reception within the Peripatetic and Neoplatonic traditions), logic and ontology. He has published several papers and chapters of books on these and other related topics as well as an annotated Spanish translation of Aristotle’s Categories and On Interpretation.