Östen Dahl (; born 4 November 1945 in Stockholm) is a Swedish linguist and professor best known for pioneering a marker-based approach to tense and aspect in linguistic typology. Dahl finished his PhD at the University of Gothenburg and subsequently worked there as a docent before becoming professor of general linguistics at the University of Stockholm in 1980.
Honours
Royal Swedish Academy of Sciences, member since 1997
Royal Swedish Academy of Letters, History and Antiquities, member since 1998
Academia Europaea, member since 2006
honorary doctorate of philosophy from the University of Helsinki in 2003
Norwegian Academy of Science and Letters, member
Works
[https://www.su.se/polopoly_fs/1.251617.1444651289!/menu/standard/file/Tense%26aspectsystems.pdf Tense and Aspect Systems], Oxford: Blackwell, 1985 edited with Maria Koptjevskaja-Tamm: The Circum-Baltic Languages: Grammar and typology, Amsterdam: Benjamins, 2001 Grammaticalization in the North: Noun phrase morphosyntax in Scandinavian vernaculars. Berlin: Language Science Press 2015. http://langsci-press.org/catalog/view/73/17/290-1 (Open Access)