Mutt graduated from the University of Tartu in 1948 and became a professor of English philology there that same year. From 1948 to 1949 he was a lecturer in the Department of Western European Languages, from 1949 to 1953 a senior lecturer, from 1953 to 1961 a senior lecturer in the Department of Foreign Languages, from 1961 to 1986 a lecturer in the Department of English (since 1972 English Philology), from 1961 to 1963 a senior lecturer, and from 1963 onward an associate professor.[3] He headed the Department of English Philology until 1978, when he was succeeded by Heino Liiv.[6]
^ abIrén Hegedűs (2012). "East-Central and Eastern Europe". In Bergs, Alexander; Brinton, Laurel J. (eds.). English Historical Linguistics. Berlin: Walter de Gruyter. p. 1384. ISBN978-3-11-020265-6.
^ abEric Dickens (2007). "Introduction". Friedebert Tuglas: The Poet and the Idiot and Other Stories. Budapest: Central European University Press. p. xx. ISBN978-963-7326-88-2.
^A Sharp Cut: Contemporary Estonian Literature. Tallinn: Estonian Literature Information Centre. 2005. p. 72.
^Siilivask, Karl (1985). History of Tartu University, 1632–1982. Tallinn: Perioodika. p. 255.