Wolfgang Hagen is a media scientist with a focus on the history of radio, among others. In his media epistemology of electromagnetic waves, he focuses on the utopian potential of radio, and relates this to the fundamental reorganization of radiophonic space under the effects of digitalization. Related publications include Kulturinstrument Radio (2012), Wer Bücher hört, kann auch Klänge sehen: Bemerkungen zur Synästhesie des Hörbuchs (2014), and Das Paradox des Radios (in Radiophonic Cultures, ed. by Ute Holl, 2018). Hagen is visiting scholar at Leuphana University Lüneburg.