Michel Eugene Chevreul, French chemist, 1891. Chevreul (1786-1889) worked with animal fats, discovering margaric acid which led to the development of margarine. His work also led to improvements in soap and candle manufacture. A photograph from Album de Photographies, Dans L'Intimite de Personnages Illustres, 1845-1890, Editions MD, 22 Rue de L'Arcade, Paris 8, 1845-1890.
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