Late night TV hosts through the years

Published On: Apr 10 2014 12:39:58 PM CDT   Updated On: May 20 2015 10:22:04 AM CDT

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.

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NBC Television

Steve Allen -- "Tonight Starring Steve Allen" (September 1954-January 1957, NBC)

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