 Georg Wilhelm de Gennin

Georg Wilhelm de Gennin () or Vilim Ivanovich de Gennin () (October 11, 1665 — April 12, 1750) was a German-born Russian military officer and engineer who specialized in mining and metallurgy.He was born as Georg Wilhelm Henning in Siegerland, then County of Nassau, Holy Roman Empire (while other sources mention the neighbouring Lower Saxony).