Heh, funny you should say he writes like a philosopher - he is. I met (and you probably did too) his daughter at Melb uni philosophy classes. Mr Gaita's an ethical philosopher, wrote A Common Humanity: Thinking About Love and Truth and Justice, The Philosopher's Dog and Good and Evil: An Absolute Conception.

I remember Eva being very embarrassed when one of her dad's treatises was set as a main text for our subject (though I can't remember which subject it was...).