Dr. Ashitey Trebi-Ollennu, a member of the engineering staff of the NASA Mars Rover mission, explains how he is using images and data from the Spirit Rover on Mars to create a virtual landscape, Sunday Jan., 4, 2004 at the Jet Propulsion Laboratory (JPL), in Pasadena, Calif., in this image released by NASA. Attended Takoradi GSTS (both O and A-levels) Biography