Alfréd Rényi was born in Budapest Hungary in 1921. He studied mathematics and physics at the University of Budapest and received his Ph. D. from the University of Szaged in 1945. Since 1950 he has been Director of the Mathematical Research Institute of the Hungarian Academy of Sciences and since 1952 a professor at the University of Budapest. Dr. Renyi was a visiting professor at Michigan State University in 1961, at the University of Michigan in 1964 and at Stanford University in 1966. His main fields of research are probability theory, mathematical statistics and information theory, and he has also worked in analytic number theory as well as in various branches of analysis, combinatorial analysis and geometry. Professor Renyi has published around 200 research papers and a textbook on probability theory. He is a member of the Hungarian Academy of Sciences a fellow of the Institute of Mathematical Statistics and a vice president of the International Statistical Institute. Dr. Renyi is also editor of Studia Scientiarum Mathematicarum Hungarica, regional editor of the Statistical Theory and Method Abstracts and serves on the editorial boards of the following journals: Acta Mathematica Academiae Scientiarum Hungaricae; Annales del' Institut H. Poincare; Annales Universitatis Scientiarum L. Eötvös, Sectio Mathematica; Journal of Applied Probability; Journal of Combinatorial Theory; Matematikai Lapok; Publicationes Mathematicae; and Zeitschrift fur Wahrscheinlichkeitsthheorie und Verwandte Gebiete. Alfréd Rényi (20 March 1921 - 1 February 1970) was a Hungarian mathematician who made contributions in combinatorics, graph theory, number theory but mostly in probability theory.