Osamu Dazai was a Japanese author born on June 19, 1909, in Aomori, Japan. He is best known for his novel No Longer Human, which explores themes of alienation and despair. Dazai's writing often reflects his own struggles with mental health and societal expectations, making him a significant figure in modern Japanese literature. Dazai's life was marked by personal turmoil, including multiple suicide attempts. He died on October 19, 1948, at the age of 39. Despite his tragic life, his works continue to resonate with readers, influencing many writers and artists in Japan and beyond.