NASA engineer Queen Mary Alumnus Dr Ashitey Trebi-Ollennu explains how to drive a robot on Mars
After graduating with a BEng in Avionics in 1991 from Queen Mary University of London in 1991, Dr Ashitey Trebi-Ollennu returned to his alma mater on Wednesday (16 November) and was greeted like a rock star with more than 100 students, staff and alumni crammed