Domingo Liotta his studies, Dr. Liotta was hired at Baylor College of Medicine in Houston Texas as Director of the Artificial Heart Program by Dr. Michael E. DeBakey in 1961. 1961(December): First conception of the prolonged mechanical assist circulation in the treatment of Cardiogenic Shock Postcardiotomy. 1963 (July 19): Left Ventricular Assist Device (LVAD) in a patient in cardiogenic shock postcardiotomy, Domingo Liotta and E. Stanley Crawford at the Methodist Hospital in Houston, Texas. First clinical use. The original clinical prototype is displayed at the Smithsonian Institution, Washington, D.C.. 1966 (April 21): Liotta-DeBakey LVAD implanted in a cardiogenic shock postcardiotomy patient, Methodist
Rayner (company) London, Ridley performed the first IOL operation on the eye of a 45-year-old female patient. The operation was conducted in secret, done in two stages with the artificial lens permanently implanted three months later. In 1952 the first IOL implant was performed in the United States: a Ridley-Rayner lens was implanted at the Wills Eye Hospital in Philadelphia. Surgeons Turgut Hamdi MD and Warren Reese MD implanted a series of these lenses – some with good visual function results (reported in a review by Dr Charles Letocha in the "Journal of Cataract and Refractive Surgery" in 1999). A lens designed