Carroll Izard’s theoretical and empirical work has played a preeminent role in energizing the renascence in the study of the emotions and emotional development in normality and pathology. A brief historical overview of his career is presented. Izard’s differential emotions theory (DET) has exerted influence in a number of domains and disciplines. Illustrations are provided from research and prevention in developmental psychology and developmental psychopathology. Personal recollections of Cal Izard are provided showing that Izard is not only an influential theoretician (...) and researcher, but also a wonderful emotional being. (shrink)