"Who's that?" Taking a swallow of his food Ron turns to Harry to answer his question.
"That's Professor Flitwick. According to Fred and George he favors Hufflepuff, claims nobody else gives them a chance. He is also their head of house."
"Who's in charge of the other houses?"
"Professor Trewlawney is it for Ravenclaw. Slytherin has a new head of house this year I think Percy told me it was Quirrell. Before it was Professor Sprout, she couldn't stand the dungeons, the lack of sun was killing her plants. Our head of house is has you already know is Binns."