Researchers Reveal Anne Frank's 'Dirty' Jokes In Hidden Diary Pages

Researchers Reveal Anne Frank's 'Dirty' Jokes In Hidden Diary Pages

The Jewish teenager apparently covered up the pages because she anxious that other people in her hideout would read them, as they contain a series of dirty jokes and her thoughts on sex education, said Ronald Leopold, director of Anne Frank House in Amsterdam.

Researchers have discovered additional content in Anne Frank's World War II diary that includes jokes and candid passages about sex, The New York Times reported Tuesday.

The pages contain jokes, similar anecdotes also appearing elsewhere in the diary, and Anne's view of sexual education.

They photographed the pages, backlit by a flash, and then used image-processing software to decipher the words, which were hard read because they were jumbled up with the writing on the reverse sides of the pages.

On prostitution, she wrote: "All men, if they are normal, go with women, women like that accost them on the street and then they go together". In Paris they have big houses for that. "Papa has been there".

Anne Frank House museum executive director Ronald Leopold, says that 'like every adolescent she is curious about this subject [of sex]'. The passages show how she "creates a fictional situation that makes it easier for her to address the sensitive topics that she writes about", he said.

Frank penned the two pages on September 28, 1942, less than three months after she and her family began hiding from Nazis in a secret attic during World War II.

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VIDEO: Anne Frank Though German Jewish teenager Anne Frank did not survive the Holocaust, the memoirs from her two years in hiding live on forever.

The group went into hiding in July 1942, with helpers bringing them food and other essentials.

Researchers were at pains to point out that it is not the first time that Frank wrote about sex in her diary. Anne died at Bergen-Belsen in Germany in early 1945, aged 15, less than a year after her capture and just before the end of the war.

Her diary was found after the war and would become one of the most read books in the world.

In 1942, the family went into hiding in secret rooms at the back of her father Otto Frank's office building.

The house where the Franks hid has been turned into museum, making it one of Amsterdam's most visited attractions.