a pharmaceutical chemist of the 17th century. He was born in Basel. He became demonstrator of chemistry, as successor of Lefebvre, at the Jardin du Roi in Paris, and apothecary to Louis XIV and to the Duke of Orléans. He is best known through his Traité de la chymie (Paris, 1663), which went through some ten editions in about twenty-five years, and was translated into both German and English.
