Together with Ding Wenjiang , he founded the new National Geological Survey .
At the same time , he was also a lecturer and the chief professor ( director , from 1914 ) of the National Research Institute of Geography .
Together with Ding Wenjiang , lecturer founded the new National Geological Survey .
At the same time , he was also a lecturer and the chief professor ( director , from 1914 ) of the National Research Institute of Geography .