The Expression of the Emotions in Man and Animals major revision which made Darwin "sick of the subject and myself, and the world". It quickly sold around 7,000 copies and was widely praised as a charming and accessible introduction to Darwin's evolutionary theories. A second edition was published by Darwin's son in 1890, without several revisions suggested by Darwin; these were not published until the third edition of 1999 (edited by Paul Ekman). Published as a sequel to "The Descent of Man", "The Expression" was assured of a wide readership in mid-Victorian England. However, the early death of George Romanes (1848 - 1894) robbed Darwin of a powerful advocate
The Expression of the Emotions in Man and Animals with livestock breeders and pigeon fanciers; on observations on his infant son William Erasmus Darwin ("A Biographical Sketch of an Infant" - published as a paper in the philosophical journal "Mind"), on his family's dogs and cats, and on the orangutans at London Zoo; on simple psychology experiments with members of his family concerning the recognition of emotional expression; on the neurological insights of Duchenne de Boulogne, a physician at the Salpêtrière asylum in Paris; on hundreds of photographs of actors, babies and children; and on descriptions of psychiatric patients in the West Riding Pauper Lunatic Asylum at Wakefield in