Ralph Erdenberger, born 1970 in Marl, Westphalia, studied journalism and psychology at the University of Dortmund. He has been working as a freelance journalist for public radio broadcasters WDR 2, 3 and 5 as well as NDR info since 1996. He is the moderator and radio author of numerous cultural and science programmes. He regularly moderates the programmes "Tagesgespräch" und "Neugier genügt” on WDR5. In the afternoon, he talks to children about their issues in “Kiraka”. Erdenberger has been recognised several times for his work, including the Axel Springer Prize in 2005.