title: [Learning from the "great theorists"].
authors.affiliation: math.hackmann@t-online.de
authors.forename: Mathilde
authors.initials: M
authors.lastname: Hackmann
mesh_terms: D004506:Education, Nursing / Q000266:history*; D005858:Germany; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D016294:Models, Nursing; D009742:Nursing Theory; D013557:Switzerland