He has clearly done extensive and meticulous historical research.'- David Z. Thorough in its detailed treatment of the key players and their contributions, What Is Real? offers an essential guide to the great quantum controversies that are still raging strong.'- Paul Halpern, author of TheQuantum Labyrinth, 'Becker's book is one of the first attempts we have attelling this story in a way that acknowledges how it actually turnedout-acknowledges, that is, who won these debates about the Copenhageninterpretation, who lost them, who pretended otherwise, and how they got awaywith it. Adam Becker's wonderful book recounts the colorful history of the reality debates, and makes the case that Einstein was right all along.'- Sean Carroll, author of The BigPicture, 'In this immensely well-researched book, Adam Becker explores the little-known history of principled critiques of the quantum physics establishment, tracing a fascinating skein from the Einstein-Bohr debates all the way to the proliferation of alternatives in the 1970s and beyond.

'A page turner.Becker writes very well.To any one with more than a passing interest in QM, how it came to be the way it is, and how it might be otherwise, this book will be irresistible.'- MAA Reviews, 'Quantum mechanics is an extraordinarily successful theory, but for decades physicists have been in stubborn denial about what the theory actually says about the nature of reality.

What is real the unfinished quest