Albert O. "Ab" Nicholas (January 24, 1931 – August 4, 2016) was the chairman, CEO, and portfolio manager of Nicholas Company, Inc. founded in 1967 and based in Milwaukee, Wisconsin. In April 2010, he was one of four inducted into the Wisconsin Business Hall of Fame. According to Bloomberg Markets, "The Nicholas Fund, which he has run since 1969, has topped the Standard & Poor’s 500 Index by an average of 2 percentage points a year for the past 40 years and has beaten it every year since 2008.