Are Anne Frank and Isabel Colegate both authors?
Isabel Colegate Isabel Diana Colegate (born 10 September 1931) is a British author and literary agent.
Anne Mather Anne Mather is the pseudonym used by Mildred Grieveson (born 10 October 1946 in England, United Kingdom), a popular British author of over 160 romance novels. She also signed novels as Caroline Fleming and Cardine Fleming.