The NAS group at NASA has posted a neat timeline of the growth of their HPC and visualization efforts going back to `83. With lots of CFD tools, it’s amazing to see how far the field has grown over the last 30 years.
Randall Hand
Randall Hand is a computer graphics programmer and news junky that's been working in the field for the last 15 years. He's responsible for visualizations generated on some of the most powerful supercomputers in the world, ytnef, mullion support in ParaView, and VizWorld.com.