Obviously it's too late for your report now, sorry about that, but I'm not sure how we would have known what Stephen Hawking's favourite colour is anyway! wiki.answers.com/Q/What_is_stephen_hawki... Here is the only indication the internet threw back at me as to what that coveted colour might be.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.