Street of one of the villages of the Gorno-Altai region. Yu. A. Lebedev, Candidate of Technical Sciences, speaks to residents. Yu. A. Lebedev works in the workshop. Testing of the hydraulic fracturing device (Lebedev's power element). A worker drills the surface with Lebedev's rock breaker. A piece of rock splits in two. Diploma and Gold Medal of the World Intellectual Property Organization in Plovdiv in 1985. Copyright certificates for other inventions of Yu. A. Lebedev. Articles about Lebedev in various newspapers and magazines. The city of Gorno-Altaysk. Yu. A. Lebedev with children at home.