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<!-- /jumpto --> <!-- bodytext --> The Chief Scientist was the most senior science position at the National Aeronautics and Space Administration (NASA). The Chief Scientist served as the principal advisor to the NASA Administrator in science issues and as interface to the national and international science community, ensuring that NASA research programs are widely regarded as scientifically and technologically well founded and are appropriate for their intended applications.[1]
The title of research fellow is used to denote a research position at a university or similar institution, usually for academic staff or faculty members. A research fellow may act either as an independent investigator or under the supervision of a principal investigator. In contrast to a research assistant or research officer, the position of research fellow normally requires a doctoral degree, or equivalent work for instance in industry. Some research fellows undertake postdoctoral research or have some moderate teaching responsibilities. Research fellow positions vary in different countries and academic institutions. In some cases, they are permanent with the possibility of promotion, while in other instances they are temporary.