Karen Blixen and Julian Barnes both used pseudonyms in their works.
Karen Blixen Baroness Karen Christenze von Blixen-Finecke (née Dinesen; 17 April 1885 – 7 September 1962) was a Danish author who wrote works in Danish and English. She is best known under her pen names Isak Dinesen, used in English-speaking countries, and Tania Blixen, used in German-speaking countries. She also published works using the aliases Osceola and Pierre Andrézel.
Jean Bedford Jean Bedford (born 4 February 1946) is an English-born Australian writer who is best known for her crime fiction, but who has also written novels and short stories, as well as nonfiction. She is also an editor and journalist, and has taught creative writing in several universities for over 20 years.