John Osborne was a British playwright and author, born on December 12, 1929, in London. He is best known for his play Look Back in Anger, which premiered in 1956 and is often credited with ushering in a new era of British theater known as the "Angry Young Men" movement. This movement focused on the struggles of the working class and challenged traditional social norms. Osborne's work often explored themes of disillusionment and social injustice. Throughout his career, he wrote numerous plays, screenplays, and novels, earning both acclaim and criticism. He passed away on December 24, 2014, leaving a lasting impact on modern drama.