Clinton Richard Dawkins is an English ethologist, evolutionary biologist, and writer. He is an emeritus fellow of New College, Oxford, and was the University of Oxford’s Professor for Public Understanding of Science from 1995 until 2008.


Lawrence Maxwell Krauss is an American theoretical physicist and cosmologist who is Foundation Professor of the School of Earth and Space Exploration at Arizona State University and director of its Origins Project.

Het Denkgelag is a Belgian association without lucrative purpose that organises skeptical conferences in Flanders. The mission of Het Denkgelag is to popularise scientific topics and to promote critical thinking for a broad audience. It has been described as “laid-back discussion evenings on philosophical, skeptical and scientific topics, in an informal atmosphere, with a crowd of interesting speakers and the audience as the central guest”.