title: In memoriam: Richard T. Johnson, 1931-2015.
authors.affiliation: Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD.
authors.forename: Justin C
authors.initials: JC
authors.lastname: McArthur
authors.affiliation: National Institute of Neurological Disorders and Stroke, Bethesda, MD.
authors.forename: Avindra
authors.initials: A
authors.lastname: Nath
mesh_terms: D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D009462:Neurology / Q000266:history*