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 1906 and 1912, some 13,000 Jews immigrated to Argentina every year, mostly from Europe, but also from Morocco and the Ottoman Empire. By 1920, more than 150,000 Jews were living in Argentina. After the death of his son and heir, de Hirsch devoted himself to Jewish philanthropy and alleviating Jewish suffering in Eastern Europe. He developed a plan to bring Jews to Argentina as autonomous agricultural settlers. This meshed with Argentina's campaign to attract immigrants. The 1853 constitution guaranteed religious freedom, and the country had vast, unpopulated land reserves. Under President Domingo F. Sarmiento, a policy of mass immigration was