Niels Bohr and Complementarity : An Introduction This book offers a discussion of Niels Bohrs conception of complementarity arguably his greatest contribution to physics and philosophy. By tracing Bohrs work from his 1913 atomic theory to the introduction and then refinement of the idea of complementarity and by explicating different meanings of complementarity in Bohr and the relationships between it and Bohrs other concepts the book aims to offer a contained and accessible and yet sufficiently comprehensive account of Bohrs work on complementarity and its significance This book offers a discussion of Niels Bohrs conception of complementarity arguably his greatest contribution to physics and philosophy. By tracing Bohrs work from his 1913 atomic theory to the introduction and then refinement of the idea of complementarity and by explicating different meanings of complementarity in Bohr and the relationships between it and Bohrs other concepts the book aims to offer a contained and accessible and yet sufficiently comprehensive account of Bohrs work on complementarity and its significance.