Lebedev is the main character of S.T.A.L.K.E.R.: clear sky, mentioned in S.T.A.L.K.E.R.: call of Pripyat, the founder and leader of the faction "Clean Sky". As a young professional, worked at the Chernobyl nuclear power plant. Later he was engaged in a test "products characteristics No. 62. Also became part of the research team, working in the laboratory of X 8. After a while, he was transferred to the laboratory X, where the goal was to examine the impact of the noosphere. May died during the capture of ChNPP. In 2009 he founded the grouping of "Clean Sky", whose aim is the study zone. In included familiar Tower and Suslov. Also in the Group and some of the stalkers, voluntarily agreed to help. According to the Lebedeva, everything went in the clear picture — until the sound of the big release. The concept of a zone has changed. Lebedev objective: to prevent a catastrophe and stop new releases. Thanks to its knowledge and one zacepke managed to learn that for brain Vyzhigatel snuck a group of stalkers. Naëmniku Scar to find these stalkers ... Case became very severe consequences. Grouping went to the heart of the Zone, not knowing what to expect. Lebedev, together with mounted detachments fought his way to the Chernobyl nuclear power station and hoping to fix the situation fell under the release, changed the entire area. The scientific potential of Lebedeva was used for evil: Monolith have learned to use and produce Gauss-cannons only thanks to him (eloquently said in a note to label the documentation for "product no. 62" in the RFP).