The biographical overview of the life and career of Dame Maggie Smith, an acclaimed British actress known for her versatility across stage, film, and television. It details her upbringing, early career, significant roles, awards, and personal life. The second source is an interview with the artist James Lloyd who painted a portrait of Smith for the National Portrait Gallery. He describes his experiences with Smith during the portrait process, highlighting her personality and how her portrait captured both her public persona and private self.