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 In 1998, he received critical praise for his performance in "Phoenix" playing a compulsive gambler. In addition to his film roles, Liotta portrayed singer Frank Sinatra in the 1998 TV movie "The Rat Pack" (for which he received a Screen Actors Guild award nomination), provided the voice of Tommy Vercetti for the 2002 video game "Grand Theft Auto: Vice City", and appeared in the television drama "ER" in 2004, playing Charlie Metcalf in the episode "Time of Death". The "ER" role earned Liotta an Emmy for Outstanding Guest Actor in a Drama Series (Liotta later spoofed himself and his Emmy