Richard Sharp, longtime CEO of electronic retailer Circuit City and co-founder of the CarMax chain, has died at the age of 67. Richard Sharp joined Circuit City in 1982 and served as CEO during the golden years from 1986 to 2000 when the company’s revenues grew from 175 million to 10.6 billion. In the early 1990’s, he headed a team at Circuit City that led to the development of CarMax, now the nation’s largest used car chain and he was a founding investor of the Crocs footwear company and served on its board. He was inducted into the Consumer Electronics Hall of Fame in 2008. Sharp died from a rare form of Alzheimer’s, and spent his later years promoting research into the disease.