title: Introduction: A cloud over history.
authors.affiliation: Department of Medical History and Bioethics, University of Wisconsin.
authors.forename: Gregg
authors.initials: G
authors.lastname: Mitman
authors.forename: Michelle
authors.initials: M
authors.lastname: Murphy
authors.forename: Christopher
authors.initials: C
authors.lastname: Sellers
mesh_terms: D006663:Historiography; D049690:History, Ancient; D049692:History, Early Modern 1451-1600; D049691:History, Medieval; D049711:History, Modern 1601-