title: "In memoriam": Walter S. Boernstein.
mesh_terms: D004739:England; D005858:Germany; D049672:History, 19th Century; D049673:History, 20th Century; D009462:Neurology / Q000266:history; D009482:Neurophysiology / Q000266:history; D011570:Psychiatry / Q000266:history; D014481:United States