Complex sentence: At the age of 16 for his brilliant studies he was admitted to the Faculty of Science in the University of Nancy, eventually his prominense on chemistry among other Natural Sciences led him to join Faculty of Medicine in University of Paris as professor Armand Gautier's protégé.
Split into simpler sentences: At the age of 16, thanks to his brilliant studies, he was admitted to the Faculty of Science in the University of Nancy. Eventually his prominence in chemistry, among other Natural Sciences, led him to join Faculty of Medicine in University of Paris as professor Armand Gautier's protégé.