http://en.wikipedia.org/wiki/Fran_Tarkenton

Francis Asbury "Fran" Tarkenton (born February 3, 1940) is a former professional football player, TV personality, and computer software executive.

He is best known for playing quarterback with the Minnesota Vikings, where he was voted NFL MVP in 1975 and led his team to three Super Bowl appearances. Following his retirement he worked as a commentator on Monday Night Football and as a co-host of That's Incredible!.

Tarkenton also founded Tarkenton Software, a computer-program generator company, and he toured the U.S. promoting CASE (computer-aided software engineering) with Albert F. Case, Jr. of Nastec Corporation. Tarkenton Software later merged with KnowledgeWare (with Tarkenton as president), until selling the company to Sterling Software in 1994.