Darmstadtium the JINR showed signs of Ds being produced from Pu and S. Each team proposed its own name for element 110: the American team proposed "hahnium" after Otto Hahn in an attempt to resolve the situation on element 105 (which they had long been suggesting this name for), the Russian team proposed "becquerelium" after Henri Becquerel, and the German team proposed "darmstadtium" after Darmstadt, the location of their institute. The IUPAC/IUPAP Joint Working Party (JWP) recognised the GSI team as discoverers in their 2001 report, giving them the right to suggest a name for the element. Using Mendeleev's nomenclature for
Otto Hahn discoverer the right to suggest a name. This recommendation was not adopted, following protests from the German discoverers, and the name hassium (Hs) was adopted internationally in 1997. In 1964 the only European nuclear-powered civilian ship, the freighter "NS Otto Hahn", was named in his honor. In 1959 there were the opening ceremonies of the Otto Hahn Institute in Mainz and the Hahn-Meitner-Institut "for Nuclear Research" (HMI) in Berlin. There are craters on Mars and the Moon, and the asteroid No. "19126 Ottohahn" named in his honor, as were the Otto Hahn Prize of both the German Chemical and Physical