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 Frederic Rosengarten 

Frederic Rosengarten, an American businessman and philanthropist of German descent, was an original shareholder and longtime Chairman of the Board of Merck & Company.

Biography
Frederic Rosengarten was one of three sons of George Rosengarten, and largely responsible for the merger of Rosengarten & Sons with Merck & Company in 1927, after which he maintained the position of Chairman of the Board of Directors until shortly before death in 1955.