In case you haven't seen this, I highly recommend it. A bit of melodrama thrown in, but really not much is necessary because reality and the characters are more interesting than fiction. Feynman is one of my few heroes in life - a brilliant and quirky man who, rather than show how smart he was by prattling on with endless detail, instead endeavored to find ways to explain complex things in a simple and effortless manner.
The Challenger Disaster : Science Channel