1367. CHARLES H. BEST (1899-1978) Canadian physiologist who, with Banting, discovered insulin, choline and histaminase. T.Ms.S. 1p. 4to., [n.p.], ca. 1972], the typed text of a New York Times editorial "Fifty Years of Insulin" praising the discovery of insulin and urging further medical research in other fields, boldly signed by Best at bottom. Pharmacy stamp and first day cancel ay top, near fine. $100-150