DAVID GALULA (1919-1967) was born to French parents in Tunisia and raised in Morocco, earning his baccalaureat in Casablanca and attending the military academy at Saint-Cyr. Graduated on the eve of World War II, he saw action in North Africa, Italy, and France. An officer of the marine infantry in the old colonial army, he was assigned to China and also served with the United Nations as a military observer in Greece and military attache in Hong Kong. Colonel Galula was stationed in Algeria at the time of the revolt by the French army. Shortly before retiring he wrote Counterinsurgency Warfare: Theory and Practice, while in residence at the Center for International Affairs, Harvard University.
John A. Nagl is a retired lieutenant colonel of the U.S. Army. A graduate of West Point and a Rhodes Scholar, he received his Ph.D. from St. Antony's College, Oxford, where he wrote his thesis on counterinsurgency in Malaya and Vietnam. Nagl served as the military assistant to deputy secretaries of Defense Paul Wolfowitz and Gordon England, where he coauthored the U.S. Army and Marine Corps counterinsurgency field manual with generals David Petraeus and James M. Mattis. He is the former president of the Center for a New American Security and the ninth headmaster of the Haverford School in Pennsylvania.