As David Letterman signs off from the "Late Show" for the last time, take a look back at memorable late night hosts through the years.
Steve Allen -- "Tonight Starring Steve Allen" (September 1954-January 1957, NBC)
Oxygen is discovered, Adolf Hitler presides over the opening of the Olympics, a new superhero is introduced, tragedy strikes the University of Texas, and a new all-music TV network debuts, all on this day.
No email address was supplied by
To complete your registration on this site, please supply an address.
Please confirm or modify the email address to which you will have subscription offers sent.
For a more personalized experience, please supply the following optional information.