Anthropodermic bibliopegy performed, or collected by medical doctors, who have access to cadavers, sometimes those of executed criminals, such as the case of John Horwood in 1821 and the Red Barn Murder in 1828. Another tradition, with less supporting evidence, is that books of erotica or the occult have been bound in human skin. The Royal College of Surgeons of Edinburgh preserves a notebook bound in the skin of the murderer William Burke after his execution and subsequent public dissection by Professor Alexander Monro in 1829. What Lawrence Thompson called "the most famous of all anthropodermic bindings" is exhibited at the Boston
Charles Knowlton electricity. Knowlton married Stuart’s daughter, Tabitha, and his condition was instantly cured. Knowlton studied medicine with several area doctors, and attended two terms of 14-week “medical lectures” at Dartmouth. He supplemented his education by digging up and dissecting corpses. Knowlton was awarded his M.D. in 1824, moved to Hawley, Massachusetts to begin his practice, and then served two months in the Worcester County jail for illegal dissection. While in jail, Knowlton formulated ideas that he eventually published as "Elements of Modern Materialism" in 1829. The book challenges the religious dualism of body and spirit, and Knowlton presents a psychological theory