Discovered : by A. Ghiorso and co-workers in 1974 Isolated in California, USA Origin : The element is named after Glenn T Seaborg, the American nuclear chemist and Nobel prize winner. Description : A radioactive metal which does not occur naturally and is of research interest only. Only a few atoms have ever been made and its chemistry resembles that of tungsten. Image : Abstracted atomic model and trails of sub-atomic particles. Seaborgium animation - click the icon above to launch. (Quicktime required) For more 109 Project animations click here.