Beta-blockers
Beta-blockers are another groups of drugs which owes its existence to Scottish scientists.
James Black formulated a theory about how adrenaline affects the heart while teaching at the University of Glasgow’s Physiology Department. He later joined ICI Pharmaceuticals, where he developed propranolol, at one time the world’s best-selling drug. Black later joined Smith, Kline and French where he outdid himself, developing the stomach ulcer drug cimetidine which came to outsell propranolol.