Arvydas tamulis has completed his Ph.D. degree of the Theoretical and Mathematical Physics in Vilnius University in 1985.He worked has a Research Fellow at the Institute of Physics of the Lithuanian Academy of Sciences from 1985-1996.At Present he is working as a Senior researcher at the Institute of Theoretical Physics and Astronomy, Vilnius University. Total number of scientific publications 228: 5 chapters of books, 117 scientific articles in the refered issues (67 of them in the ISI Web of Science list with the impact factor). Science presentations in more than 100 conferences and symposia in Lithuania, Russia, Poland, England, Wales, Scotland, Germany, Japan, Denmark, Norway, Sweden, Italy, Spain, France, Netherlands and USA. During 22 years of restored Lithuanian independancy have sucessfuly participated in 27 scientific projects.