International audienceA double faculty of medicine and pharmacy is founded in Lyon, in 1874. Its first professors in charge of learning the pharmaceutical sciences are very active scientists. Besides the physical sciences, their works concern no less the field of the natural history - botany, zoology -, than the field of biomédical or agronomical sciences - médical material, biochemistry, toxicology, phytopharmacy, hygiène. The results obtained are of gréât importance for the society : the végétal anatomy permits to detect adultération of médicinal plants ; fighting méthodes against Phylloxera are perfected ; the forensic haematology is greatly improved, giving to the justice new means for court-ordered appraisal ; toxicological studies - u...