Thesaurus of English Words and Phrases by Peter Mark Roget
Peter Mark Roget FRS (UK: /ˈrɒʒeɪ/, US: /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.