Robert Mulligan, the Oscar-nominated director of "To Kill a Mockingbird", died of heart disease on Saturday, December 20th at his home in Lyme, Connecticut. He was 83 years old. While he was best known for his touching and relevant adaptation of Harper Lee's story of racism and friendship in the deep South, he also directed Reese Witherspoon's first film (The Man in the Moon - his last directorial effort) as well as "Up the Down Staircase", "Inside Daisy Clover", "Summer of '42", and "Same Time, Next Year". He was the brother of actor Richard Mulligan.