Clive Upton is professor of English language at the University of Leeds, England, specializing in dialectology and sociolinguistics. He has also acted as a consultant on British pronuciation for the English-language dictionaries published by Oxford University Press, including the "Oxford English Dictionary", the "Shorter Oxford English Dictionary", and the "Concise Oxford Dictionary". Wikipedia
The definitive Wikipedia entry for Clive Upton. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Clive_Upton