Gabriella Wollenhaupt, born in 1952, has been working as a journalist in the Ruhr area for more than 20 years, at the moment for the television station WDR in Dortmund. By inventing the character of Maria Grappa, she created one of the most original and funniest detectives of the genre.
For further information see http://www.gabriella-wollenhaupt.de