While most of the reviews here are spot on, there is always someone who had to take a contrary view based on 'their' grasp of science. NO ONE SAID THIS IS A DOCUMENTARY! It is though a very well made film, with a great cast, a good period piece, and the science is correct enough! Any movie that educates the general public - an IOTA - is doing its job. We should all expand our knowledge of the world around us, it is surprising how many people today know nothing of Einstein and role he played in shaping the 'modern' world. An enjoyable movie that takes some very hard to understand theories and makes them understandable and entertaining.