This enterprising TV host and announcer turned high-powered producer and executive has gained fame and fortune with his ever-youthful look and the adolescent aim of many of his productions. These qualities have branded Dick Clark as "the world's oldest teenager"--he did, after all, host "American Bandstand" from 1956 until 1989 before finally passing the torch to a younger fellow. In addition to hosting one of TV's longest-running entertainment shows, Clark has produced thousands of hours of programming ranging from telefilms to documentaries to awards shows, hosted thousands of others,