"Polymathematics: is mathematics a single science or a set of arts?". Mathematics: Frontiers and Perspectives, edited by V. I. Arnold, M. Atiyah, P. Lax, and B. Mazur, pp. 403 - 416, 2000.
"Does Some Deeper Level of Physics Underlie Quantum Mechanics? An Interview with Nobelist Gerard 't Hooft". Interview with George Musser, blogs.scientificamerican.com. October 7, 2013.