Mathematics Linguist, Leningrad (Union of the Soviet Socialist Republics) State University, 1970. Doctor in general Linguistics, University Eötvös Loránd, Budapest, Hungary, 1974.
Researcher, Institute Linguistics, Budapest, Hungary, 1970-1986; department head, Library. of Hungarian Academy Sciences, Budapest, 1986-1991; library documentation and information center, Institute Transportation Sciences, Budapest, since 1991.
Member John von Neumann Society, European Society Linguistics, Society Hungarian Linguistics, Hungarnet Assn, Hungarian Library Association.
Married Larisa Petrovna Popova, February 8, 1970 (divorced 1980). Children: Anna, Maria.