Schr?dinger's influence in almost every field of science is still felt. He was a man who single-handedly reshaped thinking in cosmology, wave mechanics, statistical mechanics, unified field theories, theoretical chemistry and molecular biology. In this volume, which was prepared in 1987 to celebrate the centenary of Schr?dinger's birth, leading figures in all these fields have collaborated to produce this carefully integrated and edited survey of the man and his science. Some of the contributions are biographical in nature, revealing much about the character of the man. Others deal with modern-day theories in different fields of science in which Schr?dinger worked and his influence in those areas.