The autobiography "The Diary of a Young Girl" was written by Anne Frank. This poignant diary chronicles Anne's life while she and her family were in hiding from the Nazis during World War II. Through her writings, Anne expresses her thoughts, feelings, and experiences of living in fear yet retaining hope. The diary provides a personal perspective on the impacts of antisemitism and war, making it a critical document in understanding the Holocaust. It remains a powerful testament to the human spirit and the quest for freedom.