Henry Butterfield Ryan

Henry Butterfield Ryan is a retired United States Foreign Service officer and a professional historian. He is the author of The Vision of Anglo-America (1987) as well as numerous articles and studies concerning diplomatic history and government affairs.

Henry Butterfield Ryan is a retired United States Foreign Service officer and a professional historian. He is the author of The Vision of Anglo-America (1987) as well as numerous articles and studies concerning diplomatic history and government affairs. See less