Rogerius

Rogerius, also called Rogerius Salernitanus, Roger Frugard, Roger Frugardi, Roggerio Frugardo, Rüdiger Frutgard and Roggerio dei Frugardi, was a Salernitan surgeon who wrote a work on medicine entitled Practica Chirurgiae around 1180. It is also called Chirurgiae Magistri Rogerii.