...played by character-actor,
Frank Gorshin...
The Big Bang Theory Season 4, Episode 21
and a production of Anne Frank
above a bowling alley.
The Big Bang Theory Season 5, Episode 13
...of Diary of Anne Frank
above a bowling alley.
The Big Bang Theory Season 3, Episode 12
Anne Frank at that
cute little theater?
The Big Bang Theory Season 7, Episode 23
It was L. Frank Baum who said:
The Big Bang Theory Season 8, Episode 22