Here are some of his notable accomplishments:
* Planet of the Apes (1968): This film, adapted from the novel by Pierre Boulle, became a major cultural phenomenon. Schaffner's direction was praised for its visual style, compelling performances, and thought-provoking themes.
* Patton (1970): He won an Academy Award for Best Director for this biographical war film about General George S. Patton. The film is known for its dramatic performances, particularly by George C. Scott as Patton.
* Nicholas and Alexandra (1971): A historical drama about the last Tsar of Russia, Nicholas II, and his family. Schaffner was nominated for an Academy Award for Best Director for this film as well.
* The Towering Inferno (1974): A disaster film starring Steve McQueen and Paul Newman about a fire in a skyscraper.
* The Boys from Brazil (1978): A thriller starring Laurence Olivier and Gregory Peck about a Nazi doctor who seeks to clone Adolf Hitler.
Schaffner also directed episodes of television shows like The Twilight Zone, The Untouchables, and The Outer Limits.
His career demonstrates his versatility in directing different genres and tackling complex subjects. His films are often characterized by their strong storytelling, epic scope, and thought-provoking themes.