Father of flow theory Csikszentmihalyi died at the age of 87
epa09535490 (FILE) - The photo dated 05 November 2015 shows Hungarian born Distinguished Professor of Psychology and Management at Claremont Graduate University and former head of the department of psychology at the University of Chicago Mihaly Csikszentmihalyi as he is posing for a portrait in Budapest, Hungary. The father of flow theory, Csikszentmihalyi died at the age of 87 on 20 October 2021. EPA/Gyula Czimbal HUNGARY OUT