You may be interested to know more about Peter Blatchford as he is an academic whose work many of you have begun to read. Like many academics he works at a university and you can find his page on the Institute of Education website. This gives you more information about what he has researched about and written – some of which may relate to what you writing about.
You can look at the list of his published work and see if any of it relates to your assignment, then look it up in the library catalogue (books) or NELSON (academic journal articles).
He also writes a blog which you can read to get a sense of his thinking about educational issues. You can access it here