Toc: Title page......Page 1Date-line......Page 2Foreword......Page 3CONTENTS......Page 5Biographical Introduction......Page 7I SCIENCE, ART AND PLAY......Page 21II THE LAW OF CHANCE......Page 31III INDETERMINISM IN PHYSICS (Translated by W. H. Johnston)......Page 41IV IS SCIENCE A FASHION OF THE TIMES?......Page 64V PHYSICAL SCIENCE AND THE TEMPER OF THE AGE......Page 84VI WHAT IS A LAW OF NATURE?......Page 105VII CONCEPTUAL MODELS IN PHYSICS AND THEIR PHILOSOPHICAL VALUE (Translated by W. H. Johnston)......Page 117VIII THE FUNDAMENTAL IDEA OF WAVE MECHANICS......Page 131