Marjorie Flack (22 October 1897 - ? 1958) was an artist and writer of children's picture books. She was best known for The Story about Ping(1933), popularized by Captain Kangaroo, and for her stories of an insatiably curious Scottish terrier named Angus, including Angus and the Ducks (1930). Her first marriage was to artist Karl Larsson; she later married poet William Rose Benet