The blurb from McCall’s magazine, December 1967, to McLuhan’s short piece (p 97 & 163), ‘A Glimpse of Christmas Future’:

Professor McLuhan, who holds a PhD from Cambridge, taught at the University of Toronto for twenty years and now holds the Albert Schweitzer Chair in Humanities at New York’s Fordham University.

The use of the simple past tense here — taught at the University of Toronto for twenty years — is interesting.  McLuhan may originally have envisaged staying at Fordham (before the state grant for his chair became embroiled in controversy and before his brain tumor operation).