Considering his achievements in engineering, including river improvement, and erosion and torrent control, it might have been better to refer to him as the 'Technical Adviser of the Interior' or the 'River Improvement Engineer' rather than 'Employed Foreigner,' as he was often called.
日本の土木事業（河川改修や砂防）における功績を評価すると、「お雇い外国人」ではなく「内務省技術顧問」や「河川技術者」などといった呼び名の方が相応しいとも言える。