Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. WAdim Zudilin is a Russian number theorist who is active in studying hypergeometric functions and zeta constants. HE has reproved Apéry''s theorem and expanded it. HE proved that at least one of the four numbers (5), (7), (9), or (11) is irrational. FOr that accomplishment he won the Distinguished Award of the Hardy-Ramanujan Society in 2001.HE worked at Moscow State University and the Steklov Institute of Mathematics and now works at the University of Newcastle, Australia.HE studied under Yuri V. NEsterenko.