According to Wikipedia (20220), “John Griffith London (born John Griffith Chaney; January 12, 1876 – November 22, 1916) was an American novelist, journalist, and social activist. A pioneer of commercial fiction and American magazines, he was one of the first American authors to become an international celebrity and earn a large fortune from writing. He was also an innovator in the genre that would later become known as science fiction.” (Wikipedia, 2022).

https://en.wikipedia.org/wiki/Jack_London