With a career now spanning seven decades, Robert De Niro is among the most accomplished actors in film history. Studying acting at HB Studio, the Actors Studio, and the Stella Adler Conservatory, De Niro trained in the Stanislavski system, which focuses on the "art of experiencing." In other words, actors should feel the same emotions as their characters.
Source：https://www.cbr.com/robert-de-niro-best-movie-acting-stories/
