Peter Solomon is a fictional character created by author Dan Brown. He appears in the novel The Lost Symbol, which is part of the Robert Langdon series. Solomon is a prominent philanthropist and the head of the Smithsonian Institution in Washington, D.C. His character is known for his deep interest in science, history, and the mysteries of the human mind. In the story, Solomon becomes embroiled in a thrilling adventure involving ancient secrets and a powerful organization. His kidnapping sets off a chain of events that leads Robert Langdon on a quest to uncover hidden truths and solve complex puzzles, showcasing Solomon's significance in the narrative.