Gennady Viktorovich Samokhin (ÃÂõýýðôøù ÃÂøúÃÂþÃÂþòøàáðüþàøý; born July 14, 1971, in Simferopol) is a Crimean speleologist who holds the depth world record of cave diving in a sump at âÂÂ2,196 meters, attained while exploring the Krubera Cave in 2012. He was educated and works in the Tavrida National V.I. Vernadsky University (now Crimean Federal University).