Donets Basin
Pyotr Nikolayevich Gorlov (; 11 May 1839 in Irkutsk, Irkutsk Governorate, Russian Empire – 20 November 1915) was a geologist and engineer who explored coal deposits in the Donets Basin, the Caucasus, Central Asia and Ussuri Krai. He founded the city of Horlivka; the city has a monument in honor of him.