Dubnium not have enough experimental data to back their claim. After collecting more data, JINR proposed the name "nielsbohrium" (Ns) in honor of the Danish nuclear physicist Niels Bohr, a founder of the theories of atomic structure and quantum theory. When LBL first announced their synthesis of element 105, they proposed that the new element be named "hahnium" (Ha) after the German chemist Otto Hahn, the "father of nuclear chemistry", thus creating an element naming controversy. In the early 1970s, both teams reported synthesis of the next element, element 106, but did not suggest names. JINR suggested establishing an international committee
Otto Hahn (ship) 19 November, she was renamed "Norasia Susan". She became the "Norasia Helga" in 1985, "Hua Kang He" in 1989, "Anais" in 1998, "Tal" in 1999 and finally "Madre" in the same year. Her last owner, from 2006, was the Liberian-based Domine Maritime Corporation, under the management of Alon Maritime Corporation of Athens, Greece. The ship was scrapped at Alang, India, in 2009. Her original funnel is preserved at the Deutsches Schiffahrtsmuseum (German Maritime Museum) in Bremerhaven, since the ship was retrofitted with Diesel engines. The "Otto Hahn" was commissioned on 11 October 1969, and it was a research ship as