An English mathematician and philosopher, Alfred North Whitehead provided the foundation for the school of thought known as process philosophy. With an academic career that spanned from Cambridge to Harvard, Whitehead wrote extensively on mathematics, metaphysis, and philosophy. He died in Massachusetts in 1947.

This book is an exploration of the fundamental metaphysical problems of substance, space and time.

Preface to this edition Michael Hampe; Preface; 1. Nature and thought; 2. Theories of the bifurcation of nature; 3. Time; 4. The method of extensive abstraction; 5. Space and motion; 6. Congruence; 7. Objects; 8. Summary; 9. The ultimate physical concepts; Notes; Index.