Prof. Matthew Hayday, History, discussed the career of the supposed architect of the Canadian residential school system with Maclean’s July 27. Hector-Louis Langevin, a 19th-century journalist, lawyer and politician, is said by some to have been the central proponent of the schooling model. However, Hayday said while Langevin was in favour of the system, other government officials were more directly responsible for its implementation. Hayday studies education, nationalism and identity politics.