Paolo Zacchia--the father of forensic medicine, 400 years after his birth

This article was the historical introductory lecture in the opening session of the Annual Meeting of the Polish Society of Forensic Medicine and Criminology held on 20 September 1984, in Katowice. Paolo Zacchia (1584-1659) was one of the fathers of forensic medicine and social hygiene, which were combined in his time. His work Quaestiones medico-legales is well known internationally.