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. His obsession with list-making as a coping mechanism was well established by the time he was eight years old. The son of a Swiss clergyman, Roget studied medicine at the University of Edinburgh, graduating in 1798. His life was marked by several depressing incidents. Roget struggled with depression for most of his life. His work on the thesaurus arose partly from an effort to battle depression.
