Prof. Wilde, is a state certified biology and chemistry teacher for German secondary schools (German Gymnasium). He obtained his PhD in 2004 (“Biology lessons in the natural history museum”). After working as secondary school teacher for five years, he served as an academic assistant in the department of biology didactics at the University of Bayreuth. Prof. Wilde then worked at Humboldt-University of Berlin as guest professor during the 2005 summer semester. In December, 2005, he became head of the department of biology didactics at Bielefeld University as junior professor, and was appointed full professor in January 2010.