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Schwedischer Wissenschaftler und Erfinder
Christopher Polhem (* 18. December 1661 in Tingstäde; † 30. August 1751 in Maria Magdalena parish) was a schwedischer Wissenschaftler und Erfinder. He was 89 years old. He was married to Maria Hoffman. He had at least 4 children (1 son and 3 daughters). His education included Uppsala University and University of Harderwijk. He was awarded the rytíř a komandér Řádu Serafínů.