In 1958, at a performance of The Diary of Anne Frank in Vienna, Simon Wiesenthal was challenged by a group of protesters who asserted that Anne Frank had never existed, and who challenged Wiesenthal to prove her existence by finding the man who had arrested her.
I 1958 blev Simon Wiesenthal i forbindelse med en teateropførelse af Anne Franks dagbog i Wien udfordret af demonstranter, som sagde, at Anne Frank aldrig havde eksisteret, og afkrævede Wiesenthal beviser for hendes eksistens ved at finde manden, som arresterede hende.