Darmstadtium is official!
Roentgenium is official!
Element 105 was discovered contemporaneously at Berkeley and at Dubna. IUPAC voted to name it Dubnium due to the important contributions the Russian laboratory has made in the creation of transfermium elements.
The American codiscoverers of hahnium at the HILAC building, LBNL. Left to right: Matti Nurmia, James Harris, Kari Eskola, Glenn Seaborg, Pirkko Eskola and Albert Ghiorso.