P. L. TraversPamela Lyndon Travers OBE (born Helen Lyndon Goff; 9 August 1899 – 23 April 1996) was an Australian-born novelist, actress and journalist. In 1924 she emigrated to England where she wrote under the pen name P. L. Travers. In 1933 she began writing her series of children's novels about the mystical and magical English nanny Mary Poppins. Neither boy was aware of the other twin's existence until the age of 17, when Anthony appeared unannounced at Travers' London home. Travers, Creator of Mary Poppins Valerie Lawson 1999 ISBN 0-7336-1072-2Valerie Lawson 1999 ISBN 0-7336-1072-2 A Lively Oracle: a Centennial Celebration of P. L. Travers, Creator of Mary Poppins .