Severus had talked to Professor McGonagall since she was still interims headmistress. Though she appreciated him as a colleague, she was well aware that he was not the best teacher. Slughorn was still available, and Harry had talked to Lupin to take over the Defence post on short notice. He still had his lesson plans and would easily merge them with Severus" who had elaborated as much on the theory as Remus had on the practical parts. Rolling up the contract, Harry smiled at the thought. Together Remus and Severus would make a pretty brilliant Defence teacher.