Professor Felix Lesnov graduated at the Geology Department, University of Lviv, Ukraine in 1957. Between 1957 and 1963 he was employed by the USSR Ministry of Geology (field geologist), Ulan-Ude. As of 1963 he is affiliated with the Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences (Novosibirsk). He published more than 250 papers and 8 monographs, dedicated to geology, petrology, petrochemistry , mineralogy, geochemistry and metallogeny of mafic-ultramafic associations of Chukotka, Kamchatka, Sakhalin Island, Transbaykalia, Mongolia, Urasl, Tian-Shan, Northern Pamir and other regions.