Domingo Liotta Domingo Liotta Domingo Santo Liotta (born November 29, 1924) is a pioneer of heart surgery, creator of multiple cardiac prostheses including the first total artificial heart used in a human being. Domingo Santo Liotta son of Italian immigrants, was born in the city of Diamante, Entre Rios, Argentina on November 29, 1924. He completed his elementary school at his hometown at "Independencia School", and his high school at the "Justo Jose de Urquiza School" in Concepcion del Uruguay, Entre Rios. In 1949, he graduated as a Medical Doctor at National University of Córdoba (Argentina). He received a doctorate in Medicine
MD Helicopters MD 500 in 1953. Images and analyses done regarding North Korea's MD 500 helicopters show that they have been modified significantly to serve as light attack helicopters, such as modification work on the helicopters for them to be mounted with Soviet-designed AT-3 Sagger anti-tank wire-guided missiles. The MD 500 is widely operated by private individuals, companies and law enforcement agencies around the world. MD Helicopters MD 500 The MD Helicopters MD 500 series is an American family of light utility civilian and military helicopters. The MD 500 was developed from the Hughes 500, a civilian version of the US Army's OH-6A Cayuse/Loach.