Alexander Key was an American author known for his contributions to children's literature. He was born on January 15, 1904, and gained popularity for his imaginative stories that often featured themes of adventure and fantasy. His most famous work, The Forgotten Door, tells the tale of a boy who discovers a mysterious door that leads to a magical world. Key's writing style is characterized by its engaging narratives and relatable characters, making his books appealing to young readers. Throughout his career, he published several novels and short stories, leaving a lasting impact on the genre of children's fiction. He passed away on April 24, 1979.