Peter C. Theisinger, 78, Dies; Led Mars Rover Missions for NASA

Sam RobertsScience Spirit (Mars Rover), Opportunity (Mars Rover), Space and Astronomy, Mars (Planet), Deaths (Obituaries) He directed a team of engineers that built Spirit, Opportunity and Curiosity, mobile robots that offered astonishing glimpses into the planet’s ancient past. https://ift.tt/Xw7OrVJ