CHRISTIAN BROSSEAU received a PhD degree in physics from Fourier University, Grenoble, France, in 1989. He was a postdoctoral Research Fellow at Harvard from 1989 to 1990 and then joined Fourier University as an associate research physicist. In 1997, he became a physics professor in the Department of Physics at the University of Brest, France. His primary research interests include the physics of heterogeneous materials and theoretical optics.