Jack London was an American writer and social activist. Much of his works were set during the Klondike Gold Rush. London's most popular works are The Call of the Wild, White Fang, and The Sea-Wolf. White Fang is a story of a wild wolfdog that becomes domesticated. It serves as a companion novel to The Call of the Wild which is about a domesticated dog who learns to survive in the wild. The Sea-Wolf is about a literary critic who survives a crash in the ocean only to become a crew member under the brutal sea captain Wolf Larsen.