I don't know about Canada but "Full Professor" means something different in most Commonwealth countries than in the US. Typically a University dept will have a

I don't know about Canada but "Full Professor" means something different in most Commonwealth countries than in the US. Typically a University dept will have a single professor who likely is head of dept, if there's an endowment there might be a second one (and if you get a Nobel I suspect there's lee-way to confer one)