deaths
August 30, 1751
Christopher Polhem, Swedish physicist and engineer (born 1661)
Christopher Polhem
Christopher Polhammar better known as Christopher Polhem, which he took after his ennoblement in 1716, was a Swedish scientist, inventor, and industrialist. He made significant contributions to the economic and industrial development of Sweden, particularly mining. He was ennobled by King Charles XII of Sweden for his contributions to Swedish technological development.