Dr. Warren Carroll, founder of Christendom College and author of numerous works of Catholic history, led a life of deep commitment to Catholic education. From his roots in South Berwick, Maine, where he was formed by the goodness of those around him, to his doctoral study at Columbia University, where he encountered the evil of relativism and denials of truth; from learning to wave signal flags at Camp Kokura, Japan, to analyzing communist propaganda at the CIA; from writing press releases for presidential candidate John Schmitz, to teaching history at the palace of El Escorial in Spain—Dr. Carroll’s life took many twists and turns, before he set himself to the great work of founding and leading Christendom College. His life is chronicled here as it unfolded, proving the truth of one his own favorite sayings, “One man can make a difference.”