José Maria Ortiz de Zárate received a Ph.D. from the Universidad Complutense in 1991. In 1994 and 1997 he worked as a postdoctoral researcher at the University of Maryland. Currently he is a faculty member in the Applied Physics Department of the Universidad Complutense. His research interests cover both experimental and theoretical topics in thermal physics of nonequilibrium states.
Jan V. Sengers received a Ph.D. from the University of Amsterdam in 1962. In 1963 he joined the National Bureau of Standards in the U.S. and in 1968 he became a faculty member at the University of Maryland, College Park, MD. Sengers and his co-workers have made extensive theoretical and experimental studies in the areas of critical fluctuations and of nonequilibrium fluctuations in fluids and fluid mixtures