John Wyndham (1903-1969) was an English science fiction writer best known for his novels The Day of the Triffids, The Chrysalids, The Midwich Cuckoos, and The Kraken Wakes. He wrote stories that blended elements of science fiction, horror, and fantasy, often featuring ordinary people facing extraordinary events. His works often featured themes of post-apocalyptic survival, alien invasion, and mutation.