- Got his first job in the industry working for a Milwaukee radio station.
- In 1965, co-anchored the first noontime newscast in the country, which aired on KYW-TV in Philadelphia.
- Anchored newscasts in Philadelphia, New York and Los Angeles before debuting as the late-night host of NBC's The Tomorrow Show in 1973, where he famously smoked cigarettes while interviewing guests such as John Lennon (in his final televised interview) and Charles Manson.
- In 1995, returned to late night when he was hired to host The Late Late Show by David Letterman.
- In 2005, was diagnosed with leukemia.
- 1974, Emmy — Special Classification of Outstanding Program and Individual Achievement: Winner
- 1975, Emmy — Special Classification of Outstanding Program and Individual Achievement: Nominee
- Attended Marquette University, Milwaukee, WI
- Birth Place: Milwaukee, WI
- Birthday: May 12, 1936, Taurus
- Died: July 29, 2007
- Profession: Talk show host