Frank Rosenthal

Frank Lawrence Rosenthal (June 12, 1929 – October 13, 2008), also known as "Lefty" Rosenthal, was an American professional sports bettor, former Las Vegas casino executive, and organized crime associate. Rosenthal, who was once called "the greatest living expert on sports gambling" by Sports Illustrated, is credited with bringing increased exposure to sports betting to Las Vegas in the '70s. Rosenthal's life and career in Las Vegas served as the basis of Martin Scorsese's 1995 film Casino, where he was portrayed by Robert De Niro and re-named Sam "Ace" Rothstein.

Frank Rosenthal

Frank Lawrence Rosenthal (June 12, 1929 – October 13, 2008), also known as "Lefty" Rosenthal, was an American professional sports bettor, former Las Vegas casino executive, and organized crime associate. Rosenthal, who was once called "the greatest living expert on sports gambling" by Sports Illustrated, is credited with bringing increased exposure to sports betting to Las Vegas in the '70s. Rosenthal's life and career in Las Vegas served as the basis of Martin Scorsese's 1995 film Casino, where he was portrayed by Robert De Niro and re-named Sam "Ace" Rothstein.