Bo Hjalmar Bergman was born on October 6, 1869. He was one of Sweden's most prominent writers in the early 20th century. His literary works often explore the psychology of his characters, their internal struggles, and their interpersonal relationships. "Kains barn" (Children of Cain) is one of his best-known novels. Bergman was also an active playwright, with plays addressing social and existential themes. His writing is characterized by a lyrical style and a deep empathy for his characters. He passed away in Solna, Sweden, on April 13, 1931.