Jakobson, Roman (rəmänˈ yäkˈôbsən) [key], 1896–1982, Russian-American linguist and literary critic, b. Moscow. He coined the term structural linguistics and stressed that the aim of historical linguistics is the study not of isolated changes within a language but of systematic change. In Czechoslovakia in the late 1920s and the 30s, Jakobson and a few colleagues, most notably N. S. Trubetzkoy, developed what came to be known as the Prague school of linguistics. They argued that synchronic phonology, the study of speech sounds in a language at a given time, must be considered in light of diachronic phonology, the study of speech sounds as they have changed over the course of the language's history. After leaving Czechoslovakia in 1939, Jakobson went on to Denmark, Norway, and Sweden before coming to the United States to teach at Columbia (1943–49) and later Harvard (1949–67); at Massachusetts Institute of Technology (1957–67) he worked with Morris Halle on distinctive-feature theory, developing a binary system that defines a speech sound by the presence or absence of specific phonetic qualities, such as stridency and nasality. Through his contact with French anthropologist Claude Lévi-Strauss and others, Jakobson was influential in the development of structuralism.
See his Six Lectures on Sound and Meaning (1978); Framework of Language (1980).
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