American actor Ryan O'Neal, widely recognized for his Oscar-nominated performance in the 1970 romance Love Story, has passed away at the age of 82, as announced by his son.The family has not disclosed the cause of death, but O'Neal had been battling chronic leukemia since 2001 and prostate cancer since 2012.Renowned for his roles in 1970s hits such as What's Up, Doc?, Paper Moon, and A Bridge Too Far, O'Neal's son described him as "a Hollywood legend. Full stop.""My dad passed away peacefully today, with his loving team by his side supporting him," wrote Patrick O'Neal on Instagram. He added that his father had always been his hero.O'Neal's rugged good looks propelled him from television soap to movie stardom in the tearjerker Love Story, where he starred as an upper-crust Harvard undergraduate who falls in love with a working-class student, played by Ali MacGraw.The film is considered by the American Film Institute to be among the top 10 most romantic movies of all time.Following Lo...