title: Hans Spemann (1869-1941): discoverer of the neuronal organizer.
authors.affiliation: Karolinska University Hospital, Stockholm, Sweden. hugo.lagercrantz@actapaediatrica.se
authors.forename: Hugo
authors.initials: H
authors.lastname: Lagercrantz
mesh_terms: D000818:Animals; D004626:Embryology / Q000266:history*; D004627:Embryonic Induction; D005775:Gastrula; D005858:Germany; D049673:History, 20th Century; D006801:Humans