From Aristotle to Einstein, An Incomplete Theory takes us on a riveting journey through time, making pit stops at the lives of many exceptional individuals whose insightful work is the foundation of the physical science we know today. Free from equations, this book unlocks the vault of human knowledge with no assumption of scientific background on the part of the reader. It tells and weaves together the stories behind some of history's greatest thinkers and scientific discoveries. These are stories of incredible patience, ceaseless dedication, remarkable genius, and just the right amount of luck. The six-part narrative filled with captivating anecdotes and original quotations takes us up to the present day, a moment in which physics is haunted by the mystery of how to unite gravity and quantum theory. In the end, symmetry, one of physics's most powerful principles, motivates a new approach to tackling one of the field's most enigmatic and fundamental problems.