Helen Mayo (1878–1967), Australian doctor and pioneer in preventing infant mortality Frances Gertrude McGill (1877–1959), Canadian forensic pathologist Eleanor Montague (born 1926), American radiologist and radiotherapist Anne B. Newman (1955- ), US Geriatrics & Gerontology expert Antonia Novello (1944-), Puerto Rican physician and Surgeon General of the United States Dorothea Orem (1914-2007), Nursing theorist Ida Ørskov (1922–2007), Danish bacteriologist May Owen (1892-1988), Texas pathologist, discovered talcum powder used on surgical gloves caused infection and peritoneal scarring Angeliki Panajiotatou (1875-1954), Greek physician and microbiologist