Born on Cape Cod at Falmouth, Massachusetts, Margaret A. Stanger grew up in her pioneer parents' home in Iowa. With a B.A. from Grinnell College and an M.A. from Columbia University (where she also studied law), Miss Stanger was graduated from Boston Children's Hospital as a registered nurse. She returned to the Cape to live in Orleans, where she became one of Robert's closest human friends. Illustrator Cathy Baldwin, another friend and neighbor of Robert's, graduated from the Rhode Island School of Design.