• Born date: 1779-01-18
  • Born in: England
  • Death date: 1869-09-12
  • Death in: England
Peter Mark Roget

Peter Mark Roget FRS (/roʊˈʒeɪ/; 18 January 1779 – 12 September 1869) was a British physician, natural theologian and lexicographer. He is best known for publishing, in 1852, the Thesaurus of English Words and Phrases (Roget's Thesaurus), a classified collection of related words.