Phrenology and Physiology Explained and Applied to Education and Self-Improvement is a book written by Orson Squire Fowler in 1843. The book is a comprehensive guide to phrenology and physiology, two sciences that were popular in the 19th century. Phrenology is the study of the human brain and its functions, while physiology is the study of the human body and its functions. The book explains the principles of phrenology and physiology and how they...