title: "Looking into the past only makes sense if it serves the future." Konrad Adenauer (1876 - 1967).
authors.affiliation: Department of Thoracic and Cardiovascular Surgery, Heinrch Heine-University Medical Center, Düsseldorf.
authors.forename: H D
authors.initials: HD
authors.lastname: Schulte
mesh_terms: D005858:Germany; D049673:History, 20th Century; D006801:Humans; D013903:Thoracic Surgery / Q000266:history*