Impromptu Man captures the remarkable impact of a singular genius, J.L. Moreno, whose creations—the best-known being psychodrama—have shaped our culture in myriad ways, many unrecognized. The record will be set straight for all time by this can’t-put-down biography, a tribute by Jonathan D. Moreno to his father’s masterly legacy.”

Daniel Goleman, author of Emotional Intelligence: Why It Can Matter More Than IQ