Marc Millis, former head of NASA’s Breakthrough Propulsion Physics Project, has designed ion thrusters, electronics for rocket monitoring, cryogenic propellant equipment, and even a cockpit display to guide free-fall aircraft flights. His recent retirement after nearly 30 years with NASA has freed him to devote full time to his Tau Zero Foundation, “using the dream of reaching other worlds as both a long-range goal and a catalyst for near-term progress.”

Be sure to check out this interview with Marc Millis, former head of NASA's Breakthrough Propulsion Physics Project.  To read the complete article, click here.