Robert J. McMahon

Robert J. McMahon

Robert J. McMahon is the Ralph D. Mershon Distinguished Professor of History, Emeritus, at Ohio State University and the Mershon Center for International Security Studies. A specialist in U.S. foreign relations, the Cold War, and the Vietnam War, he has long taught courses on those subjects. McMahon has also lectured widely in the United States as well as in China, Japan, India, South Korea, New Zealand, Singapore, Germany, Ireland, Great Britain, the Netherlands, and Finland. He is the author of several books, including Dean Acheson and the Creation of an American World Order (2009); The Cold War (2003); and The Limits of Empire: The United States and Southeast Asia since World War II (1999). He is also past president of the Society for Historians of American Foreign Relations.


  • Contested Memory: The Struggle over the Meaning and Legacy of the Vietnam War, 1975-2010
  • Dean Acheson: Architect of the American Century
  • Dwight D. Eisenhower and the Cold War at Home and Abroad
  • Reconsidering the Cold War in the Third World
  • Turning Point: the Vietnam War's Pivotal Years
  • U.S. National Security Policy from Harry S. Truman to John F. Kennedy


“Turning Point: The Vietnam War’s Pivotal Year”

This lecture was presented at Utah Valley University in Orem, Utah. Recorded by the university’s studios and broadcast services in March 2013.

Visit the OAH YouTube channel for more audio and video recordings.