Richard Llewellyn was a Welsh author best known for his novel, How Green Was My Valley, published in 1939. The book, which explores the life of a Welsh mining family, received critical acclaim and won the National Book Award. It has been adapted into a successful film, further solidifying Llewellyn's place in literary history. Born in 1906 in London, Llewellyn spent much of his childhood in Wales, which greatly influenced his writing. He wrote several other novels and works, but none achieved the same level of fame as his debut. Llewellyn's storytelling often reflects themes of family, community, and the struggles of working-class life.