Joseph de Rey-Pailhade
25 February 1850 – 1934
Joseph-Charles-François de Rey-Pailhade, born at Béziers, was a French mining engineer and doctor, discoverer of the chemical substance “Philothion”, member of several french scientific societys and president of the “*Comité pour la Propagation des Méthodes Décimales*”. He wrote numerous articles and books on bio- and organic chemistry, as well as on the topics of chronology, chronometry and the decimalisation of time. Being the son of Francois-Jean-Ambroise-Alphonse de Rey-Pailhade (1822–1893), he was the brother of amateur musician Constantin de Rey-Pailhade (1844–18..), nephew of Charles
