António Nunes Ribeiro Sanches

António Nunes Ribeiro Sanches (7 March 1699 – 14 October 1783) was a Portuguese physician, philosopher and encyclopédiste. He was a cristão novo of Jewish descent, believed to be secretly a practising Jew.

He studied at the universities of Coimbra and Salamanca. He fled Portugal after being targeted by the Inquisition as a secret practising Jew.

He was considered an "Estrangeirado", a Portuguese that has been influenced greatly by foreign ideas. He was a critic of the nobility, clerical privileges and slavery.

Works 1726: Discurso Sobre as Águas de Penha Garcia. 1751: A Dissertation on the Venereal Disease. 1752: Dissertation sur le origine de la maladie vénérienne, Paris 1756: Tratado da Conservação da Saúde dos Povos. 1760: Cartas sobre a Educação da Mocidade. 1763: Método para Aprender e Estudar a Medicina. 1771: Les bains des vapeurs russe 1774: Examen historique sur l´apparition de la maladie vénérienne (Paris) 1779: Mémoire sur les Bains de Vapeur en Russie..