Author:Adolf Frank

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Adolf Frank
German chemist, engineer, and businessman. He is best known for having discovered uses of potash and creating the industry
Adolf Frank


Works by this author published before January 1, 1926 are in the public domain worldwide because the author died at least 100 years ago. Translations or editions published later may be copyrighted. Posthumous works may be copyrighted based on how long they have been published in certain countries and areas.