materials science modeling." 2008 William D. Gropp. "For outstanding contributions to the development of domain decomposition algorithms, scalable tools for the parallel numerical solution of PDEs, and the dominant HPC communications interface." 2007 David E Keyes. "For outstanding contributions to the development of scalable numerical algorithms for the solution of nonlinear partial differential equations and exceptional leadership in high-performance computation." 2006 Edward Seidel. "For outstanding contributions to the development of software for HPC and grid computing to enable the collaborative numerical investigation of complex problems in physics; in particular, modeling black hole collisions." 2005 John B. Bell. "For outstanding contributions to the development of numerical algorithms, mathematical, and computational tools and on the application of those methods to conduct leading-edge scientific investigations in combustion, fluid dynamics, and condensed matter." 2004 Marsha Berger. "For her many contributions, and enormous, influence to computational fluid dynamics including adaptive mesh refinement methods, Cartesian grid methods, and practical mathematical algorithms for solving significantly heretofore intractable problems." 2003 Jack Dongarra. "For outstanding and sustained contributions to the area of mathematical software, most particularly in the areas of communication and numerical libraries and performance benchmarks for high performance computing." 2002 Robert J. Harrison. "For developing a computational chemistry software package for applications development, by integrating fundamental algorithm research, novel ideas in computer science, and scalability, while delivering unprecedented modeling capabilities for chemistry applications." 2000 Stephen W. Attaway. "For pioneering advances in methods for modeling transient dynamics phenomena, enabling simulations of unprecedented scale and fidelity." 1999 Michael L. Norman. "For his leading edge research in applying parallel computing to challenge grand problems in astrophysics and cosmology." 1998 Phillip Colella. "For fundamental contributions to the development of software methodologies used to solve numerical partial differential equations, and their application to substantially expand our understanding of shock physics and other fluid dynamics problem." 1997 Charbel Farhat. "For outstanding contributions to the development of parallel numerical algorithms and parallel software packages that have helped the mechanical engineering world to embrace parallel processing technology." 1996 Gary A. Glatzmaier. "For innovative computational numerical methods to perform the first realistic computer simulations of the Earth's geodynamo and its resultant time-dependent magnetic field." 1995 Paul R. Woodward. "For your work in developing new algorithmic techniques in fluid dynamics, & your relentless & innovative pursuit of the hardware & software capabilities to carry out & visualize in real time the largest turbulence simulations." 1994 Charles S.