Arthur E. Hertzler was an American physician who, in addition to his lengthy medical career, which included the founding of a hospital, is now primarily known for two things; his bestselling book The Horse and Buggy Doctor, and his reporting of the term "barefooted and pregnant" in that book. His work has been described as visionary and iconoclastic, and the medical historian Thomas Bonner described his personality as “colorful and distinctive”. No. 1 on The New York Times Nonfiction best seller list for 1 week, from the issue of September 26, 1938. Wiki link