Argentina recipient, discovered the role of pituitary hormones in regulating glucose in animals, and shared the Nobel Prize in Physiology or Medicine in 1947. Luis Leloir discovered how organisms store energy converting glucose into glycogen and the compounds which are fundamental in metabolizing carbohydrates, receiving the Nobel Prize in Chemistry in 1970. César Milstein did extensive research in antibodies, sharing the Nobel Prize in Physiology or Medicine in 1984. Argentine research has led to treatments for heart diseases and several forms of cancer. Domingo Liotta designed and developed the first artificial heart that was successfully implanted in a human being in
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.