[4][5][6][7][8] He was born into the family of Sergej Pantelejmonovič Višnevskij, a military civil engineer and builder of Kolcovo airfield in Sverdlovsk and of Marija Georgievna Višnevskaja, a chemist.
After graduation he followed the compulsory state assignment to teach geography at a school for troubled teenagers in Polunočnoe [Midnight Place], in the north of Sverdlovsk region.
[1][9] In 1984 he returned to Sverdlovsk, to work at the School of Advanced Studies in Tourism, from 1991 in the Speleocenter travel agency, until he opened Al'pur, sports and recreation store, in 1995.
In 1973, as a student of geography, he traveled a lot in the Urals with SGS (Ekaterinburg Speleo Club), to which he was accepted as a member in 1974.
[11] After graduation in 1978, during his years as a teacher of geography he organized speleology courses and educated several generations of young speleologists.
[12] Višnevskij participated in several scientific projects, he was involved in the development and application of new speleological equipment, such as single-rope technique.
[2][15] In the following years he led expeditions and field trips mainly to Central Asia, but also to other destinations such as Italy, Nepal and Norway.
In 1985 they resumed the Uzbekistan campaign, to explore caves the entrances of which were discovered in 1984 by a token SGS expedition to Khodja-Gur-Gur-Ata massif.
Later it turned out that the man was Mustafaqul Zakirov, a teacher from Dehibolo who visited the cave, four hours away on foot, several times before.
In the last years his health started to deteriorate, but his premature death was caused by a nosocomial infection during the hospitalization after a domestic head injury.
[2][30][31] Legacy of his work is manifold, especially notable are achievements of his home speleological institutions, the SGS and ASU, in the Chul-Bair mountain ridge, initiated by Višnevskij.