EMC Corporation is an American multinational corporation that sells data storage products and services used to build web-based computing systems. It is headquartered in Hopkinton, Massachusetts. Former Intel executive Richard Egan and his college roommate, Roger Marino, founded EMC in 1979. The companys name, EMC, stands for the initials of the founders, and a third and fourth whose last names are Connelly and Curly hence the EMC^2. As mentioned by Joe Tucci at EMC World 2012 in May 2012, 'EMC Corporation' is the company's full name. The company's logo also incorporates exponent 2, a reference to Albert Einstein's massenergy equivalence theory. EMC stock went public on April 6, 1986, at a price of $16.50 per share. EMC, founded in 1979 by Richard Egan and Roger Marino (the E and M in EMC), introduced their first 64-kilobyte memory boards for the Prime Computer in 1981, and continued with the development of memory boards for other computer types.