Marc Malkin Senior Film Awards, Events & Lifestyle EditorBen Stiller was just a kid when he met a niece of Henry Winkler at school.When she found out he was a fan of The Fonz, Winkler’s iconic “Happy Days” character, she offered to get Stiller an autograph.“I got this picture sent to me and it was The Fonz and it said, ‘Hey, Ben, one man’s ceiling is another man’s floor—Henry “The Fonz” Winkler,’” Stiller recalls in an exclusive clip from the upcoming Holocaust Museum L.A.’s virtual 45 Minutes