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
Von Hahn family to use the title "Baron" officially. Notable members: Ösel: descendants of Johann August von Hahn. Family incorporated into the Ösel's Nobility Corporation in 1849. Notable members: Russian Empire: cadet branch of the Ösel family; descendants of Otto Karl v H, younger brother of Friedrich August v H (and son of Johann August von Hahn). Recorded at the Nobility Genealogical Book of Saint Petersburg Governorate. Members of the family use the title "Baron", alongside Hahn coat of arms. Notable members: Von Hahn The name von Hahn (German ""Hahn"" equals the expression of rooster) is a German-Baltic-Russian noble family. Its most