Powers-Weightman-Rosengarten

The American house of Merck, established in 1887 in New York and organi2 d in 1891 as Merck Co. by George Merck, grandson of Heinrich Emanuel Merck, was incorporated in 1908 in New York and in 1919 became an independent American enterprise, consolidated with Powers-Weightman-Rosengarten Co. of Philadelphia, Pa., in 1927 to form Merck Co., Inc. 

Includes proprietors and partners of private consulting laboratories or firms and chemist-entrepreneurs who worked in companies which they or their families had established (e.g., A. D. Little, Inc. Bakelite Corporation Dewey Almy Chemical Company William H. Nichols Company and Powers-Weightman-Rosengarten Chemical Company). 

No matter how many indigenous herbs could be collected, this cmde drug supply needed to be made into medicine, and thus the accumulation of plant stores did not remove the necessity for an infrastructure of manufacture. Medicinal substances, whether botanical or chemical, usually needed some processing from their natural state. Without anything near the industrial capacity of Tilden and Company, Rosengarten and Sons, Powers and Weightman, Edward R. 

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