Rosemary Sutcliff (1920–1992) was a British novelist, best known as a writer of highly acclaimed historical fiction. Although primarily a children's author, the quality and depth of her writing also appeals to adults, she herself once commenting that she wrote "for children of all ages from nine to ninety."
Rosemary Sutcliff began her career as a writer in 1950 with The Chronicles of Robin Hood. She found her voice when she wrote The Eagle of the Ninth in 1954. In 1959, she won the Carnegie Medal for The Lantern Bearers and was runner-up in 1972 with Tristan and Iseult. In 1974 she was highly commended for the Hans Christian Andersen Award. Her The Mark of the Horse Lord won the first Phoenix Award in 1985.
Sutcliff lived for many years in Walberton near Arundel, Sussex. In 1975 she was appointed OBE for services to Children's Literature and promoted to CBE in 1992. She wrote incessantly throughout her life, and was still writing on the morning of her death. She never married.