How Did Johnny Olson Die?

John Leonard Olson was an American radio personality and television announcer. Olson is perhaps best known for his work as an announcer for game shows, particularly the work he did for Mark Goodson-Bill Todman Productions. Olson was the longtime announcer for the original To Tell the Truth and What's My Line? and spent more than a decade as announcer for both Match Game and The Price Is Right, working on the latter series at the time of his death.