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 the actor Henry Siddons in his "Practical Illustrations of Rhetorical Gesture and Action" (1807) and by the anatomist Robert Knox in his "Manual of Artistic Anatomy" (1852) – but abandoned them as unreliable, although the text of "The Expression" is littered with quotations from Shakespeare. Darwin opens the book with three chapters on "the general principles of expression", introducing the rather Lamarckist phrase "serviceable associated habits". With this phrase, Darwin seeks to describe the initially voluntary actions which come together to constitute the complex expressions of emotion. He then invokes a principle of "antithesis", through which opposite states of mind