Ronald M. Caplan 

MD, CM, FACS, FACOG, FRCS(C), Clinical Associate Professor Emeritus Obstetrics and Gynecology, Weill Medical College of Cornell University

Ronald M. Caplan MD is an Obstetrician Gynecologist and medical author.

He did his medical and postgraduate training at McGill University, where his interest in renal disease in pregnancy and homotransplantation culminated in the first delivery of a baby from a mother who had received a deceased donor kidney transplant.

After serving on the Faculty of McGill University, he transferred to New York City, and a long career at the Joan and Sanford I. Weill Medical College of Cornell University , where he became one of the early proponents of minimally invasive surgery, and where  he is now Clinical Associate Professor Emeritus of Obstetrics and Gynecology.

He is a Fellow of the American College of Surgeons, the American College of Obstetrics and Gynecology, and the Royal College of Surgeons (Canada).

He previously edited the textbooks Principles of Obstetrics, which was translated into both Spanish and Portuguese, and Advances in Obstetrics and Gynecology, which was translated into Spanish.  He authored another four mass market medical books in multiple editions. Prestigious medical and comprehensive libraries around the world hold copies of his work.