The man widely believed to have been the model for Alden Pyle in Graham Greene's The Quiet American, Edward G. Lansdale (1908-1987) was a Cold War celebrity. A former advertising executive turned undercover CIA agent, he was credited during the 1950s with almost single-handedly preventing a communist takeover of the Philippines and with helping to install Ngo Dinh Diem as president of the American-backed government of South Vietnam. Adding...