<P>Otto Gross was the first analyst to link his work with radical politics, connecting inner, personal transformation with outer, collective change. Since his death in 1920 his work has been suppressed, despite his seminal influence on the developing analytic discipline and on the fields of sociology, philosophy and literature. Here Gottfried M. Heuer introduces Gross'' life and ideas, using an innovative, historiographic methodology he terms <I>trans-historical: </I>a psychoanalytic, intersubjective, and trans-temporal approach to the past, aimed at ''healing wounded history'' in the present. </P><P></P><P>Heuer considers several previously unpublished sources to explore Gross''s ideas and legacy as well as his unusually bohemian life. His use of the anarchist concept of mutuality to develop a relational and intersubjective approach in his own analytic theory and clinical practice was unique, and his work had a lasting, yet unacknowledged, influence on Freud, Jung (with whom he had th