David Crystal is honorary professor of linguistics at the University of Bangor, and works from his home in Holyhead, North Wales as a writer, editor, lecturer, and broadcaster in language and linguistics. Born in Lisburn, Northern Ireland, in 1941, he spent his early childhood in Holyhead, attended secondary school in Liverpool, and read English at University College London. After a research year at UCL's Survey of English Usage, he lectured at Bangor and then joined the new department of linguistics at Reading in 1965, where a decade later he became professor of linguistic science. He left the full-time university world in 1984 to work as an independent scholar. His writing takes in most areas of language study, his best-known authored books including The Cambridge Encyclopedia of Language and The Cambridge Encyclopedia of the English Language. Recent publications include The Oxford Illustrated Shakespeare Dictionary with his son Ben, The Disappearing Dictionary, and Making a Point: the Pernickety Story of English Punctuation. His editorial work has included acting as general editor of the Cambridge and Penguin families of general encyclopedias, and the online edition of the entire oeuvre of the missionary poet John Bradburne. An autobiographical memoir, Just a Phrase I'm Going Through, was published in 2009. He received an OBE for services to the English language in 1995, and became a member of the British Academy in 2001. He lives online at www.davidcrystal.com.