Otto Frank, born in 1889 in Germany, was a Jewish businessman and the father of Anne Frank. After the rise of the Nazi regime, he moved his family to Amsterdam, seeking refuge from the increasing anti-Semitic policies in Germany. He and his family went into hiding during World War II, where they lived in the secret annex of his business premises for over two years. During this time, Anne Frank kept a diary that chronicled their experiences and her thoughts on life in hiding. Tragically, the Frank family was discovered in 1944 and sent to concentration camps. Otto Frank was the sole survivor of the family, returning to Amsterdam after the war. After the war, Otto dedicated his life to preserving Anne's legacy. He worked to publish her diary, which eventually became known as "The Diary of a Young Girl." This work has had a profound impact worldwide, serving as a pivotal reminder of the Holocaust and the importance of tolerance and understanding. Otto Frank, born in 1889, was a German Jewish businessman and the father of Anne Frank. He experienced the nightmare of World War II, as his family sought refuge from Nazi persecution. Otto’s resilience led him to keep his family safe in hiding for more than two years until their tragic discovery in 1944. Following the war, Otto Frank emerged as the only surviving member of his family. He was devastated by the loss of his loved ones, but he dedicated himself to ensuring that Anne’s poignant reflections and experiences during their time in hiding were shared with the world. He successfully published Anne's diary, which became "The Diary of a Young Girl." This publication has played a crucial role in educating future generations about the Holocaust and the importance of human rights, making Otto Frank a symbolic figure in the fight against intolerance.