Lt. Col. John By, Royal Engineers; Royal Engineers Museum of Military Engineering Gillingham, U.K.

"If ever a man deserved to be immortalized in this utilitarian age, it was Lieutenant Colonel By. In an unexplored part of the country, where the only mode of progress was the frail Indian canoe, with a department to be organized, workmen to be instructed and many difficulties to overcome, he constructed a truly remarkable work."
(Captain Richard Bonnycastle of the Royal Engineers, London, 1842)