Acclaimed TV late night show host, admired stand-up comedian, best-selling children?s book author, much-in-demand corporate speaker, TV and movie voice-over artist, pioneering car builder and mechanic, and philanthropist?Jay Leno is widely characterized as ?the hardest working man in show business.? Jay Leno?s late night television ratings domination included two decades as the host of the #1-rated The Tonight Show with Jay Leno ?after the first two years Jay Leno never lost a single ratings year in which he served as host.