 People today, of course, know who John Williams is. They know his music. They know what he looks like. In part because he was constantly on Evening at Pops throughout the 1980s when he was music director of the Boston Pops. So he's a known entity. But he wasn't the first film composer to become a household name. That was Henry Mancini. Again, the success of Peter Gunn not only led him to become an A-list film composer and a hugely successful songwriter, but