On the occasion of Gottlieb Planck's 200th birthday, the Göttingen family law experts are organizing a symposium on 28 June 2024 on the topic of “The idea of codification and family law”. It will examine the importance of the Göttingen honorary professor and family law editor in the drafting of the German Civil Code for family law then and now. Prof. em. Dr. Dr. h.c. Dieter Schwab will give an introductory lecture on “Gottlieb Planck and the challenges of codifying family law”. Prof. em. Dr. Dr. h.c. Dagmar Coester-Waltjen will speak about Gottlieb Planck and matrimonial property law. This will be followed by contributions from Prof. Dr. Dr. h.c. Volker Lipp, Prof. Dr. Philipp Reuß will shed light on Gottlieb Planck's significance for maintenance and parentage law and Prof. Dr. Barbara Veit on his role as a pioneer of today's parent-child relationship. The event will end with a concluding appraisal by Prof. Dr. Inge Hanewinkel. Translated with DeepL.com (free version)