title: To the memory of Wilhelm Fresenius.
authors.forename: Günter
authors.initials: G
authors.lastname: Gauglitz
authors.forename: Klaus G
authors.initials: KG
authors.lastname: Heumann
mesh_terms: D056246:Chemistry, Analytic / Q000266:history*; D005858:Germany; D049673:History, 20th Century; D049674:History, 21st Century; D008611:Mentors / Q000266:history; D012958:Societies, Scientific / Q000266:history / Q000458:organization & administration