Hans Kollwitz (14 May 1892 – 22 September 1971) was a German epidemiologist, eldest son of artist Käthe Kollwitz. He obtained his degree in medicine and psychotherapy in 1928. He was also a World War I veteran, in which he voluntarily served, after joining from the German Youth Movement where he was a ''Wandervogel''.
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Begeleidende catalogus bij de tentoonstelling in onder andere het goethe Instituut te Parijs van 10 mei tot 24 juni 1967
By Meckel, Christoph, Weisner, Ulrich, Kollwitz, Hans Date 1967