The Expression of the Emotions in Man and Animals with his cousin Emma Wedgwood who held firm Christian beliefs. On 21 September 1838, Darwin recorded a confused and disturbing dream in which he was involved in a public execution where the corpse came to life and claimed to have faced death like a hero. In summary: Darwin put together the central features of his evolutionary theory at the same time that he was considering a scientific understanding of human behaviour and family life – and he was in some emotional turmoil. A discussion of the significance of Darwin's early notebooks can be found in Paul H. Barrett's "Metaphysics, Materialism
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