JAN SVARTVIK is a most respected Scandinavian scholar of English Language and is now Emeritus Professor at the University of Lund, Sweden. He is co-author of Engelsk universitetsgrammatik (with Olof Sager, 1977) and Handbok i engelska (with Rikard Svartvik, 2001), and author, co-author or editor of some 35 books and 75 papers or articles on varied aspects of English linguistics, contrastive grammar and nautical terminology. He is a Member of the Royal Swedish Academy of Sciences, The Royal Academy of Letters, History and Antiquities and Academia Europaea.

GEOFFREY LEECH is Emeritus Professor of Linguistics at Lancaster University, UK. Author, co-author, or co-editor of 25 books and 100 papers or articles on varied aspects of linguistics and the English language, he is a Fellow of the British Academy and a Member of Academia Europaea. He is co-author with Margaret Deuchar and Robert Hoogenraad of English Grammar for Today: A New Introduction (Palgrave Macmillan, 1982, second edition 2005).