title: Carl Hellmuth Hertz.
authors.affiliation: Department of Electrical Measurements, Lund Institute of Technology, Sweden.
authors.forename: K
authors.initials: K
authors.lastname: Lindström
mesh_terms: D001604:Berlin; D049673:History, 20th Century; D010825:Physics / Q000266:history; D013548:Sweden; D014463:Ultrasonography / Q000266:history