Walt Whitman

Walt Whitman was a poet to whom Joan Redfern compared John Smith. (PROSE: Human Nature)

The Doctor had a copy of his poem "Leaves of Grass". (PROSE: Good Companions)

While in 1963 Switzerland, the Fifth Doctor jokingly told Nyssa that he, along with William Blake, might have been a Time Lord. (AUDIO: Winter for the Adept)