title: von Helmholtz (1821-1894)
authors.forename: A J
authors.initials: AJ
authors.lastname: Simha
mesh_terms: D005858:Germany; D049672:History, 19th Century; D049673:History, 20th Century; D009885:Ophthalmology / Q000266:history; D010825:Physics / Q000266:history; D010827:Physiology / Q000266:history