Léon Maquenne's Human Design Chart

5/1 Emotional Projector

French chemist and plant physiologist credited with invention of the so-called “Maquenne block”, an apparatus used for determining the melting point of chemical compounds. Among Maquenne’s other contributions was research involving the chemical make-up of sugar alcohols. He was able to resolve the chemical constitution of inositol and demonstrated it to be a hexahydroxycyclohexane.
From 1871 he worked in the laboratory of agricultural chemistry at the Ecole d’agriculture in Grignon. Here, he was a student of Pierre Paul Dehérain (1830-1902). In 1883 he became préparateur at the Muséum national d’histoire naturelle, where from 1885 to 1898 he served as an assistant to the chair of Physiologie végétale. In 1898 he succeeded Georges Ville (1824-1897) as chair of Physique végétale, a position he held on to until 1925. In 1904 he became a member of the Académie des sciences.
He died on 10 January 1925.
Link to Wikipedia biography

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