Henry Maudsley brief period in public and charitable asylums. In the same year he was appointed co-editor of the "Journal of Mental Science", an influential position he retained for 15 years. Maudsley was elected a Fellow of the Royal College of Physicians and delivered their Gulstonian Lectures in 1870 on "Body and Mind". The text of Maudsley's lectures was studied carefully by Charles Darwin in the preparation of his "The Expression of the Emotions in Man and Animals" (1872). Maudsley was appointed Professor of Medical Jurisprudence at University College London from 1869 to 1879. Maudsley married John Conolly's daughter, Ann Conolly, in
The Expression of the Emotions in Man and Animals with engravings of the Darwin family's domestic pets by the zoological illustrator T. W. Wood as well as work by the artists Briton Rivière, Joseph Wolf and A.D. May. It also included portraits by the Swedish photographer Oscar Rejlander (1813–1875), anatomical diagrams by Sir Charles Bell (1774–1842) and Friedrich Henle (1809–1885), as well as illustrational quotations from the "Mécanisme de la physionomie humaine" (1862) by the French neurologist Duchenne de Boulogne (1806–1875). As a result of his domestic psychology experiments, Darwin reduced the number of commonly observed emotions from Duchenne's calculation of more than sixty facial expressions, to just six