Place of birth: Odessa, USSR Date of birth: 12 June 1937 Education: 1954-1961 Faculty of Mathematics, Moscow State University, Moscow USSR MS Diploma work: "On mappings of circle to itself"; under supervision of Prof. A.N.Kolmogorov (1959) PhD Thesis: "On the representation of continuous functions of 3 variables by the superpositions of continuous functions of 2 variables", under supervision of prof. A.N.Kolmogorov; Jury - prof. A.G.Vitushkin and prof. L.V.Keldysh (1961) ScD Thesis: "Small denominators and stability problems in classical and celestial mechanics"; profs. N.N.Bogoljubov, V.M.Volosov, G.N.Duboshin (1963) Member of Academies: Honorary member of London Math. Soc. (1976), French Acad of Sc. (1983), National USA (1984), USSR corresponding member (1986), member (1990), Arts and Sciences USA (1987), Royal Soc. Lond. (1988), Acad. Lincei Roma (1988), American Philosoph. Soc. (1989), Russian Acad. of Natural Sciences (1991). Doctor Honoris causa: Univ. P. et M. Curie Paris (1979), Utrecht (1991), Warwick (Coventry) (1988), Bologna (1991). Mathematical Prizes: Moscow Math. Soc. Prize for young mathematicians (1958), Lenin Prize (with Kolmogorov) (1965), Crafoord Prize of the Swedish Acad. (with L. Nirenberg) (1982). Employment: 1961-1986, Moscow State University, Mech. Math. faculty : assistent, dozent, professor 1986-present, Steklov Mathematical Inst., Moscow 1993-2004, Universite' Paris 9, France