"Walter Ballhause (born in Hameln on 3 April 1911 – died in Plauen on 8 July 1991) was a German photographer. He was active politically and worked in social documentary photography." - (en.wikipedia.org 02.12.2021)
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(The left column lists the relations of this actor to objects in the right column. In the middle you find other actors in relation to the same objects.)