Athanassios Nicholas Yiannopoulos (born March 13, 1928 in Thessaloniki, Greece) is a former professor at Tulane University Law School, expert on civil law and comparative law, founder of the Civil Law Commentaries. He acquired his law degree at the Law School of the Aristotle University and continued his graduate studies at the University of Chicago, the University of California at Berkeley and the University of Cologne. Professor Yiannopoulos is an internationally renowned scholar of civil law, comparative law, and maritime law. He came to Tulane in 1979. He has been in charge of the revision of the Louisiana Civil Code as reporter for the Louisiana State Law Institute and has been the editor of West’s Pamphlet Edition of the Louisiana Civil Code since 1980. He has also authored three volumes of the Louisiana Civil Law Treatise series, now in the fourth edition. Professor Yiannopoulos has published widely in the fields of civil law, comparative law, conflict of laws, and admiralty. He has directed the Law School's summer programs in Greece since 1980. He is currently revising portions of the civil code, collecting materials for an admiralty textbook, and working on the next edition of his property treatise. His revision of the Civil Code provisions on quasi-contracts became law in 1996, on representation and mandate in 1998, on deposit and sequestration in 2003, and on loan in 2004. Professor Yiannopoulos is a member of the International Academy of Comparative Law (The Hague) and of the American Law Institute. He retired from the full-time faculty at the end of the 2007-08 academic year, but continues to teach one course each year in his area of expertise. He has published widely in the fields of admiralty, property, and conflict of laws.