Franklin Chang-Díaz

Recognized under Tier 1 — Interplanetary Logistics, Franklin Chang-Díaz is known for visionary work in advanced plasma propulsion. As inventor and chief developer of the VASIMR (Variable Specific Impulse Magnetoplasma Rocket) engine — a high-power plasma propulsion system that could dramatically reduce transit times to Mars compared to conventional chemical rockets — Chang-Díaz has dedicated a career, following a distinguished tenure as a NASA astronaut, to pushing the boundaries of interplanetary propulsion. Faster transit times would reduce crew radiation exposure and physiological deconditioning en route, making VASIMR-class technology a matter of crew safety and mission feasibility as much as efficiency.