Mihaly Csikszentmihalyi, known for his research on the experience of flow, a psychological concept he introduced in his best-selling book Flow: The Psychology of Optimal Experience (Harper Perennial, 1990), has sadly passed away. Csikszentmihalyi was Claremont Graduate University’s distinguished professor of psychology and management, and founder and co-director of a nonprofit research institute that studies positive psychology, the Quality of Life Research Center. Csikszentmihalyi delivered a TEDTalk titled “Flow, the Secret to Happiness,” and has been the principal...