Margretta Styles

Margretta (Gretta) Madden Styles, EdD, RN, FAAN (1930 – November 20, 2005) was an American nurse, author, educator and nursing school dean who conceived and helped establish national standards for certifying nurses in pediatrics, cardiology and other medical specialties. Dr. Styles was the president of the American Nurses Association from 1986 to 1988, and wrote five books and many articles published in medical journals.