Iupac Poster Prizes, Germany, 2019 Three Iupac Poster Prizes have been awarded at occasion of the 6th International Conference on the Chemistry and Physics of the Transactinide Elements in Wilhelmshaven, Germany, August 25 – 30, 2019. The awardees are Yangyang Guo (University Groningen, Netherlands), Jochen Ballof (Cern Geneva, Switzerland & University of Mainz, Germany), and Raphael Haas (University of Mainz, Germany). In addition to the poster prize which includes a certificate and a one year online abonement for the Iupac Chemistry International magazine the winners received the book “Oxygen” (Authors Carl Djerassi/Roald Hoffmann) sponsore...