Late night TV hosts through the years

POSTED: 1:39 PM Apr 10 2014   UPDATED: 1:11 PM Oct 23 2015

With Friday marking what would have been Johnny Carson's 90th birthday, take a look back at memorable late night hosts through the years in honor of the one-time king of the format.

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NBC Television

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