He took a degree in Philosophy at the Complutense University of Madrid with the thesis Traducción galega de la Crónica General y de la Crónica de Castilla (1966). He was a Professor of Romance Philology in the Faculty of Philosophy at the University of Valladolid (1973-1977), Historical Grammar of the Spanish Language (1977-1981) and Galician Linguistics and Literature (1981-2002) in the Faculty of Philology at the University of Santiago de Compostela. He participated in the foundation of the Institute of Galician Language (1971). He directed the Spanish Language Department (1977-1981) and the Galician Philology Department (1981-1988) in the Faculty of Philology at the University of Santiago de Compostela. He entered the Galician Academy on 7th May 1999.
His articles and books focus on the philological research (text edition, lexicography, literature, historical grammar and language history): Sobre cronologia do vocabulário galego-português (Anotações ao ‘Dicionário etimológico’ de José Pedro Machado) (1968), La tradución Gallega de la Crónica General y de la Crónica de Castilla (2 vol, 1975-1977) and Crónia Troiana (1985, Losada Diéguez Prize in 1985 and Critics Prize in 1986). He directed the International Conference on Lexicography (Santiago de Compostela, 1986), the 19th International Conference on Linguistics and Romance Philology (Santiago de Compostela, 1989) and the Second International Scientific Conference on tradition and future of Galician language (Trier, 1993). He edited Verba. Anuario Galego de Filoloxía (1990) and coordinated research works like PATROM (Patronymica Romanica) and Dictionnaire historique des noms de famille romans. Regarding translation, he worked in collaboration with Úrsula Heinze in some works like Misal Romano (1987) and twelve works translated from German like O ponche dos desexos (1990, Ramón Cabanillas Translation Award) by Michael Ende, and As galiñas do vento (2000) by Günter Grass. He was cofounder of Brais Pinto Literary Group (1958) with Herminio Barreiro, Alexandre Cribeiro, Méndez Ferrín and Reimundo Patiño. As literary author, he wrote Esa loita (1956, Castelao Prize at the Galician Centre of Buenos Aires) and the poetry book O que se foi perdendo (1959). He was one of the promoters and editor of Dorna. He was awarded a prize in poetry (1955, 1956, 1957 and 1959) and fiction (1956) in the Minerval Feasts in Santiago de Compostela. He was on the High Advisory Board of Rosalía de Castro Patronage (1976), the board of Otero Pedrayo Foundation (1981), the ‘Consello da Cultura Galega’ (1983-1999), the Deutsch-Galicische Gesellschaft (honourable president since 1998) and the Comissão de Acompanhamento of the Linguistics Centre of the University of Lisbon. He was on the scientific committee of several international conferences (Oviedo, 1995; Havana, 2000; Lugo, 2000; Santiago de Compostela, 2002), the scientific committee of the International Conference on Linguistics, Lexicon and Grammar (Lugo, 2000), the scientific committee of Frei Martín Sarmiento International Conference on Onomastic (Santiago de Compostela, 2002) and was also conseiller of the Société de Linguistique Romane (1989-1995). He has also been an honourable member of the Associação Portuguesa de Linguística since 1989 and the Hispanic Society of Medieval Literature since 1985.
*Text taken from the web of the Galician Academy www.realacademiagalega.org