Rich Clarkson is one of the founding fathers of modern sports photojournalism. Born in 1932, Clarkson's early photos of Wilt Chamberlain playing basketball at the University of Kansas in the 1950s were published in a new magazine called Sports Illustrated. That launched a career that included photographing 60 NCAA men's basketball championships, nine Olympics and many, many other sports events. On this special edition of Global Journalist, Clarkson talks about how photojournalism has changed