Sidney Lumet was an influential American film director, known for his work in both theater and cinema. Born on February 16, 1924, in Philadelphia, Pennsylvania, he began his career in television before transitioning to film. Lumet directed several critically acclaimed movies, including 12 Angry Men, Dog Day Afternoon, and Network, which often explored complex social issues and human psychology. Throughout his career, Lumet received numerous awards, including five Academy Award nominations for Best Director. He was recognized for his ability to draw powerful performances from actors, contributing to the success of many films. Lumet's legacy continues to impact filmmakers and audiences alike.