Science and technology in Argentina Argentina have enjoyed an international respect since the turn of the 1900s, when Dr. Luis Agote devised the first safe and effective means of blood transfusion as well as René Favaloro, who was a pioneer in the improvement of the bypass surgery . Argentina is the Latin American country with the most Nobel Prize laureates; and has three Nobel Prize winners in the sciences: Bernardo Houssay in Physiology or Medicine in 1947, Luis Federico Leloir in Chemistry in 1970, and César Milstein in Physiology or Medicine in 1984. Dr. Domingo Liotta created the first artificial heart in 1969, revolutionizing the
Ray Liotta starring opposite Jennifer Lopez in "Shades of Blue". He doesn’t smoke anymore Liotta married actress Michelle Grace in February 1997 after they met at her former husband Mark Grace's professional baseball game. Together they co-starred in "The Rat Pack", in which Liotta played Frank Sinatra and Grace played Judith Campbell Exner. They have a daughter, Karsen Liotta, born in 1998. The couple divorced in 2004. From his experience shooting the Western "Texas Rising," Liotta says he has continued horseback riding. He said, "I was obsessed with riding horses [on the show]. I love it now. I've never had a hobby.