The silent clowns — Walter Kerr

This book is both a scholarly study of silent comedy movies, and an illustrated guide to the major comedians for the general reader. It covers such characters as Buster Keaton, Charlie Chaplin, Harold Lloyd and Laurel and Hardy. The author is one of America's foremost film and theatre critics. He treats the subject of film comedians with much affection, and includes many anecdotes and stories. He is also a lucid theorist, attempting to explain how and why we laugh.