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 the discovery of fission." Hahn, since 1960 honorary president of the MPG, was made an honorary citizen of the cities of Frankfurt am Main and Göttingen in 1959, and of the land and the city of Berlin in 1968. The British physicist Robert Spence FRS, concluded in his essay: Otto Hahn died on 28 July 1968. The day after his death, the Max Planck Society published the following obituary notice in all the major newspapers in Germany, Austria, and Switzerland: Fritz Strassmann, Hahn's pupil and assistant, wrote: Otto Robert Frisch, Lise Meitner's nephew, recollected: The Royal Society in London wrote