The Sense of Beauty by George Santayana

George Santayana was a novelist, poet, and philosopher.  Santayana was born in Spain but was raised and educated in the United States and is considered an American man of letters.  Santayana is credited for the popular phrase "those who cannot remember the past are condemned to repeat it".

The Sense of Beauty, published in 1896, is a book based on lectures Santayana gave while teaching at Harvard University.  The book is divided into the following parts: The Nature of Beauty, The Materials of Beauty, Form, and Expression.