Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Roland Lvovich Dobrushin (Russian: ) (July 20, 1929, St Petersburg November 12, 1995, Moscow) was a Soviet mathematician and probability theorist who made important contributions to probability theory, point process theory, mathematical physics, and information theory. He received Ph.D. at Moscow State University where he was a student of Andrey Kolmogorov. He was a foreign member of the American Academy of Arts and Sciences, Academia Europæa and US National Academy of Sciences.