Sidney Lumet — American Director born on June 25, 1924, died on April 09, 2011

Sidney Arthur Lumet was an American director, producer and screenwriter with over 50 films to his credit. He was nominated for the Academy Award as Best Director for 12 Angry Men, Dog Day Afternoon, Network and The Verdict. He did not win an individual Academy Award, but he did receive an Academy Honorary Award and 14 of his films were nominated for various Oscars, such as Network, which was nominated for ten, winning four... (wikipedia)

All great work is preparing yourself for the accident to happen.
For any director with a little lucidity, masterpieces are films that come to you by accident.