Sidney Lumet was an American director born on June 16, 1924. He is best known for his work in film, directing classics such as 12 Angry Men, Dog Day Afternoon, and Network. Lumet's films often explore social issues and moral dilemmas, earning him critical acclaim and multiple Academy Award nominations. His contributions to cinema have left a lasting impact, and he is remembered as one of the greatest directors in film history. Sidney passed away on April 9, 2011.