Jack London (1876-1916) was an American novelist best known for his adventure novels including Call of the Wild and The Sea Wolf. He had a life of adventure himself, working various jobs including on fishing boats and sailing ships as a young man. He participated in the Klondike Gold Rush in an effort to support his family after his stepfather died. He went on to become a successful writer, publishing over 50 novels and articles, though he struggled financially at times. He was married twice and had three children total. He advocated for socialist ideas and writing what you have directly experienced.