Foyle shut the door and turned. Dr. Sergei Orel bowed. The good doctor was crisp and sterile in the classic white cap, gown, and surgical mask of the medical clans, to which he belonged by fraudulent assertion only. He was short, swarthy, and olive-eyed, recognizably Russian by his name alone. More than a century of jaunting had so mingled the many populations of the world that racial types were disappearing.