Henry Winkler Reflects on His 78th Birthday, Early Fame and His New Memoir (Exclusive)

Henry Winkler turns 78! Happy Days icon is presented with a 'jumping the shark' cake in honor of iconic The Fonz moment

Henry Winkler Dishes on ‘Happy Days’ Drama, Dinner With Bette Davis

Henry Winkler reveals why he turned down John Travolta's role in Grease - and why he regrets it to this day