Anders Gustaf Ekeberg specifically, tantalite from Kimito, Finland and yttrotantalite from Ytterby, Sweden. Ekeberg named the new element after the mythical Ancient Greek demigod Tantalus who, according to legend, was condemned to eternal frustration when he had to stand in water up to his neck, but the water receded as he attempted to drink. Ekeberg suffered from poor health throughout his life. During his childhood a severe cold had impaired his hearing, which was further weakened over the years, so that it hindered his teaching activities. Subsequently, a gas explosion blinded him in one eye. Ekeberg was portrayed by his friends and students
Digital Item MPEG-21 proposes to facilitate a wide range of actions involving Digital Items so there is a need for a very precise description for defining exactly what constitutes such an item. A "Digital Item Declaration" (DID) is a document that specifies the makeup, structure and organisation of a Digital Item. The purpose of the Digital Item Declaration is to describe a set of abstract terms and concepts, to form a useful model for defining what a Digital Item is. Following this model, a Digital Item is the digital representation of an object, which is managed, described or exchanged within the model.