Question: Chris Hull has what title given to individuals who have made a "substantial contribution to the improvement of natural knowledge"?
Sentence (from "Comer Range"): The new intellectual capital represented by the cadre of new scientists trained through his internship program has already made substantial contributions to knowledge of the Arctic and this in turn represents a significant contribution to improving the global glacial-geologic and glaciological context that is essential for understanding climate change work in the Antarctic.
Relevant evidence: No