Dr. Gregory S. Aldrete is Professor of Humanistic Studies and History at the University of Wisconsin, Green Bay, where he has taught since 1995. He earned his B.A. from Princeton University and his master's degree and Ph.D. in Ancient History from the University of Michigan. Honored many times over for his research and his teaching, Professor Aldrete was named by his university as the winner of its highest awards in each category, receiving both its Founders Association Award for Excellence in Scholarship and its Founders Association Award for Excellence in Teaching. That recognition of his teaching skills was echoed on a national level in 2009, when he received the American Philological Association Award for Excellence in the Teaching of Classics at the College Level-the national teaching award given annually by the professional association of classics professors. The recipient of many prestigious research fellowships including five from the National Endowment for the Humanities, Professor Aldrete has published several important books in his field, including Gestures and Acclamations in Ancient Rome; Floods of the Tiber in Ancient Rome; Daily Life in the Roman City: Rome, Pompeii, and Ostia; The Greenwood Encyclopedia of Daily Life I: The Ancient World (as editor); Unraveling the Linothorax Mystery: Reconstructing and Testing Ancient Linen Body Armor (with S. Bartell and A. Aldrete) and The Long Shadow of Antiquity: What Have the Greeks and Romans Done for Us (with A. Aldrete).

Dr. Edward T. O'Donnell is Associate Professor of History at College of the Holy Cross in Worcester, MA. He earned his Ph.D. in American History from Columbia University. Since 2002 Professor O'Donnell has worked extensively with the federal U.S. Department of Education program Teaching American History. He has served as the lead historian for several grants and has led hundreds of workshops and seminars and delivered multimedia lectures designed to help teachers devise innovative methods for teaching American history. Active in the field of public history, Professor O'Donnell has curated major museum exhibits on American history and has appeared in several historical documentaries. He has also provided historical commentary and insight for The History Channel, ABC, PBS, the BBC, and the Discovery Channel. A popular public speaker, he has delivered more than 100 invited talks and conducted more than 2,000 walking tours of various historical American neighborhoods. Professor O'Donnell is the author and coauthor of several works dealing with a broad range of American history, including Visions of America: A History of the United States and 1001 Things Everyone Should Know about Irish American History.

Dr. Vejas Gabriel Liulevicius is Lindsay Young Professor of History and Director of the Center for the Study of War and Society at the University of Tennessee, Knoxville. He earned his B.A. from the University of Chicago and his Ph.D. from the University of Pennsylvania. After receiving his doctorate, Dr. Liulevicius served as a postdoctoral research fellow at the Hoover Institution on War, Revolution, and Peace at Stanford University. Professor Liulevicius has won many awards and honors, including the University of Tennessee's Excellence in Teaching Award and a National Endowment for the Humanities Fellowship. At the university he teaches courses on modern German history, Western civilization, European diplomatic history, Nazi Germany, World War I, war and culture, 20th-century Europe, nationalism, and utopian thought. Dr. Liulevicius has published numerous articles and two books: War Land on the Eastern Front: Culture, National Identity, and German Occupation in World War I and The German Myth of the East, 1800 to the Present.

Professor Liulevicius participated in The Great Courses Professor Chat series. Read the chat to learn more about diplomacy and war