Premise: John Forsythe (born either John Lincoln Freund or Jacob Lincoln Freund; January 29, 1918 – April 1, 2010) was an American stage, film/television actor, producer, narrator, drama teacher and philanthropist whose career spanned six decades. He also appeared as a guest on several talk and variety shows and as a panelist on numerous game shows.
Hypothesis: John Forsythe career lasted for 60 years.