Interesting, complicated, and incredibly smart. The world will be a bit less without him. Hawking versus Jeremy Hunt was probably the most unbalanced intellectual contest in history.
Most credit though I think goes to his passionate communication of science, of which we need more. I know it's popular to claim to have read A Brief History of Time and not understood it, but it was a brilliant, easy-to-read voyage through some complex ideas, that was intelligible without being condescending.