French physicist Leon Brillouin (1889-1969) spent most of his later career in the United States at IBM, Harvard, and Columbia University. A founder of modern solid state physics, he also contributed to quantum mechanics, radio wave propagation in the atmosphere, and information theory.

Preface
Introduction
1. The Definition of Infor mation
2. Applications of the Definitions and General Discussion
3. Redundancy in the English Language
4. Principles of Coding, Discusiion of the Capaity of a Channel
5. Coding Problems
6. Error Detecting and Correcting Codes
7. Applications to Some Special Problems
8. The Analysis of Signals: Fourier Method and Sampling Procedure
9. Summary of Thermodynamics
10. Thermal Agitation and Brownian Motion
11. Thermal Noise in an Electric Circuit; Nyquist's Formula
12. The Negentropy Principle of Information
13. Maxwell's Demon and the Negentropy Principle of Information
14. The Negentropy Principle of Information in General Physics
15. Observation and Information
16. Information Theory, the Uncertainty Principle, and Physical Limits of Observation
17. The Negentropy Principle of Information in Telecommunications
18. Writing, Printing, and Reading
19. The Problem of Computing
20. Information, Organization, and Other Problems
21. Inevitable Errors, Determinism, and Information
22. The Problem of Very Small Distances
Author Index
Subject Index
Books Published by L. Brillouin