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1830–1906, American hat manufacturer, b. Orange, N.J. Stetson, who had learned hatmaking, traveled to the West in the 1860s to improve his health. H...
(b r´tôlt shvärts) (KEY) , fl. 14th cent., German Franciscan monk and alchemist. It was formerly widely believed, especially in Germany, that he in...
(shärl fr d r k´ zh rär´) (KEY) , 1816–56, French chemist, b. Strasbourg. He revived the theory of acid radicals, which he called the theory of ...
1757–1834, Scottish civil engineer. He greatly improved road building in England and Scotland. He introduced the use of a base of large stones surfa...
(vlädy ´m r pr ´lôg) (KEY) , 1906–98, Swiss chemist, b. Sarejevo, Austria-Hungary (now in Bosnia and Herzegovina). Educated in Prague, he worked...
(b n´s n, Ger. r ´b rt v l´h lm b n´z n) (KEY) , 1811–99, German scientist, educated at the Univ. of Göttingen, where he received his doctorate...