"[Einstein's] field equation remains the closest thing we have to a divine blueprint for the universe....Aczel gives a very readable account of the science and the scientists involved."
-- Kirkus Reviews
"There is something startling on just about every page."
-- San Francisco Chronicle
"It is a wonderful time to glance back over Einstein's path in developing the field equation...fortunately, we have a fabulous guide in Amir D. Aczel."