 That record is currently held by Anatoly Sagalevich, at (also in Lake Baikal aboard a Pisces submersible in 1990).Russian scientist and federal politician Artur Chilingarov, the leader of the mission, took part in the Mir dives as did Russian leader Vladimir Putin.Since 1993, neutrino research has been conducted at the Baikal Deep Underwater Neutrino Telescope (BDUNT).