Michael Anacker, Associate Professor for philosophy and history of science at the Ruhr-University Bochum, studied philosophy, English literature, and history. He is author of Interpretational epistemology. A critical study on Quine and Davidson (2005). He has published on issues of epistemology and philosophy of science. His recent research is focussed on the history of verificationism and a pragmatist model for the development of scientific theories as constitutional frameworks for research.