joseph black

Science Dictionary
Black   (blāk)  Pronunciation Key 
British pharmacologist who discovered the first beta-blocker, which led to the development of safer and more effective drugs to treat high blood pressure and heart disease. Black also developed a blocker for gastric acid production that revolutionized the treatment of stomach ulcers. He shared with Gertrude Elion and George Hitchings the 1988 Nobel Prize for physiology or medicine.
American Heritage
Science Dictionary
Black, Joseph 1728-1799.  
British chemist who in 1756 discovered carbon dioxide, which he called "fixed air." In addition to further studies of carbon dioxide, Black formulated the concepts of latent heat and heat capacity.
The American Heritage® Science Dictionary
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