Denton Cooley 1960s. He and his colleagues worked on developing new artificial heart valves from 1962 to 1967; during that period, mortality for heart valve transplants fell from 70% to 8%. In 1969, he became the first heart surgeon to implant an artificial heart designed by Domingo Liotta in a man, Haskell Karp, who lived for 65 hours. The next year, in 1970, "he performed the first implantation of an artificial heart in a human when no heart replacement was immediately available." Cooley's interests included basketball, which he played in high school and as a three-year letterman for the UT men's basketball
History of the Jews in Argentina military, many became farmers, peddlers, artisans and shopkeepers. Argentina kept its doors open to Jewish immigration until 1938, when Adolf Hitler and the Nazis in Germany began to take more actions against Jews, and tensions rose across Europe in preparation for war. The government imposed new regulations on immigration; it was severely curtailed at a time of increasing persecution of Jews and the outbreak of World War II, when Jews sought a safe haven from the Nazis. Six million Jews died in Europe during the Holocaust. Juan Domingo Perón's rise to power in 1946 in Argentina after the war worried