Lester Russel Brown (born March 28, 1934) is a United States environmental analyst, founder of the Worldwatch Institute, and founder and president of the Earth Policy Institute, a nonprofit research organization based in Washington, D.C. BBC Radio commentator Peter Day calls him "one of the great pioneer environmentalists."Brown is the author or co-author of over 50 books on global environmental issues and his works have been translated into more than forty languages.