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
Education in Argentina are a significant number of private schools and universities. The education in Argentina known as the "Latin American docta" has had a convoluted history. There was no effective education plan until President Domingo Sarmiento (1868–1874) placed emphasis on bringing Argentina up-to-date with practices in developed countries. Sarmiento encouraged the immigration and settling of European educators and built schools and public libraries throughout the country, in a programme that doubled the enrollment of students during his term; in Argentina, Teacher's Day (on September 11) commemorates his death. The first national laws mandating universal, compulsory, free and secular education (Law 1420 of