Jack London (1876–1916) was an American author, journalist, and social activist best known for his adventure stories and novels about nature, survival, and human endurance. He gained worldwide recognition through works such as The Call of the Wild, White Fang, and Martin Eden. Inspired by his experiences as a sailor, labourer, and gold prospector, London created powerful stories that explored the relationship between humans, animals, and the natural world. His vivid writing and themes of courage, struggle, and survival have made him one of the most celebrated American writers.