Hippocrates was a nurse.
Hippocrates of Kos ( [ hɪˈpɒkrəˌtiːz ] Ἱπποκράτης Hippokrátēs ; 460 -- 370 BC ) , also known as Hippocrates II , was a Greek physician of the Age of Pericles ( Classical Greece ) , and is considered one of the most outstanding figures in the history of medicine . A Master of Science in Nursing ( MSN ) is an advanced-level postgraduate degree for registered nurses and is considered an entry-level degree for nurse educators and managers . A nurse educator is a nurse who teaches and prepares licensed practical nurses ( LPN ) and registered nurses ( RN ) for entry into practice positions .