GDCh International Annual Meeting of the EuChemS Working Party “Ethics in Chemistry” The discussion meeting was held on October 7–8, 2019 in Cluj-Napoca, Romania, with all presentations tackling ethical issues related to chemistry. Hartmut Frank (Germany), chairman of the working party, discussed the 150 th anniversary of the Periodic Table and elaborated in his talk that many scientists contributed to the development of the Periodic Table. Therefore, in the light of ethical issues a single focus on Dimitri I. Mendeleev during the Unesco International Year of the Periodic Table of Chemical Elements (IYPT2019) is not correct [s. Nachr. Chem. 2...