Otto Frank was a buisness man and the father of Anne Frank / Margret Frank. He was the sole member of the family that survived the Holocaust and therefor inherited Anne's diary. He was the one who was responcible for the publication of Anne's diary. Before the holocaust had become out of control, Otto was able to move his family into hiding. They hid at the back of his buissness in the secret annex. After him and his family were discoverded he got seperated from them and taken to another cocentration camp. He was confined there till the war was over, then he got his freedome and went to go search for his family only to find that he was thee sole survivor. That is when One of his old healpers gave him Anne,s diary which they were able to save.