Gerhardt Nissen
Gerhardt Nissen (21 September 1923 – 19 July 2014) is a German psychotherapist, university teacher, child psychiatrist, physician, and psychiatrist. He was born in Tønder.
His employers include University of Würzburg and Freie Universität Berlin. Awards received include Bavarian Order of Merit and Officer's Cross of the Order of Merit of the Federal Republic of Germany.