In the early years of its conception, J Robert Oppenheimer spoke of quantum theory as a subject that was "unlikely to be known to any poet or historian." Yet, as Bernstein notes, in just sixty-odd years, one can find at least nine million entries on Google under the rubric "quantum theory" - from poets and historians, as well as film critics and Buddhist monks. How did quantum mechanics enter general culture so pervasively? Having studied the subject for over a half-century, Jeremy Bernstein returns in this second edition to enlighten readers with a witty insider's perspective on the development of quantum theory as well as its loopholes. It is also a scintillating account of the