Bessel van der Kolk, M.D.
Bessel A. van der Kolk M.D. has been active as a clinician, researcher and teacher in the area of posttraumatic stress and related phenomena since the 1970s. His work integrates developmental, biological, psychodynamic and interpersonal aspects of the impact of trauma and its treatment. His book Psychological Trauma was the first integrative text on the subject, painting the far ranging impact of trauma on the entire person and the range of therapeutic issues which need to be addressed for recovery.