Main Page | See live article | Alphabetical index Peter Mark Roget, (January 18, 1779 - September 12, 1869) was a distinguished English medical doctor and lexicographer. He created the Thesaurus of English Words and Phrases (Roget's Thesaurus) a classified collection of related words. See related "Roget, Peter Mark" in Dictionary of National Biography London: Smith, Elder, and Co., 1897. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.