Hans Achterhuis is a Professor of Philosophy at Twente University, who writes about development aid, welfare work, and scarcity. In the area of technology studies, his current interest is in the relation between time and technology. He is editor of The Matter of Technology (in Dutch).
Robert P. Crease is Professor of Philosophy at the State University of New York, Stony Brook and a historian at Brookhaven National Laboratory. He is author of Making Physics: A Biography of Brookhaven National Laboratory 1946-1972 and The Play of Nature: Experimentation as
Performance (Indiana University Press). He is a columnist for Physics World.