R. G. Seldon

R. G. Seldon, or Hari Seldon, is a fictional character from Isaac Asimov's "Foundation" series. He is a brilliant mathematician specializing in a field called psychohistory, which combines history, sociology, and mathematics to predict large-scale future events. Seldon develops this science to forecast the fall of the Galactic Empire and to guide efforts that will shorten the ensuing period of chaos. Essentially, he is a visionary thinker using advanced mathematical tools to anticipate future societal trends and help humanity navigate difficult times.