Actress and television personality recognized as the hostess and puzzle-board turner who began appearing on Wheel of Fortune in 1982.
She appeared on several game shows, including The Price is Right.
She was awarded $403,000 after suing Samsung Electronics for featuring her likeness as a robot in an advertisement.
She married George San Pietro in 1990, and together they had two children.
Merv Griffin created the TV show that she is most widely associated with, Wheel of Fortune.