The 4th Doctor 1400-1600

The Fourth Doctor is an incarnation of the Doctor, the protagonist of the BBC science fiction television series Doctor Who. He was portrayed by Tom Baker for seven consecutive seasons and remains the longest-lived incarnation of the Doctor in the show's on-screen history, counting both the classic and modern series. Further to this, he is considered to be the most recognisable incarnation of the Doctor both in the United Kingdom and internationally.