The Clouding Counties book is an autobiographical account of 15 years of serious ongoing but partly remitted depressive illness—specifically manic depression, or as it’s more usually called nowadays bipolar disorder. It is also an introduction to the science of depression—the biology behind what we know about its causes and the drugs we use to treat it.
Roger Lass (born January 1, 1937) is a historical linguist.
He earned his PhD from Yale University in 1965 in Medieval English Language and Literature, and subsequently worked at Indiana University (1964–1971), the University of Edinburgh (1972–1982), and the University of Cape Town (1983–2002).
He has done extensive work in the history of English, the motivation of sound change, and the history of linguistics. He was made an honorary professorial fellow at Edinburgh in 2014.
He was the editor of the third volume of The Cambridge History of the English Language.