Surgeons' Hall demand for bodies for anatomical dissection exceeded supply. Two Irishmen living in Edinburgh, William Burke and William Hare, resorted to murdering victims to supply Knox's anatomy school. Hare turned King's evidence and Burke was tried, found guilty of murder and hanged. His body was dissected by Alexander Monro tertius, the University professor of anatomy, and the museum has on display two items from that notorious episode – Burke's death mask and a pocket book made from his skin. Joseph Bell (1837–1911) was an Edinburgh surgeon who was president of the Royal College of Surgeons of Edinburgh between 1887–89. He was
Edinburgh and Mr Hyde", and murderers Burke and Hare who delivered fresh corpses for dissection to the famous anatomist Robert Knox. Another well-known Edinburgh resident was Greyfriars Bobby. The small Skye Terrier reputedly kept vigil over his dead master's grave in Greyfriars Kirkyard for 14 years in the 1860s and 1870s, giving rise to a story of canine devotion which plays a part in attracting visitors to the city. The City of Edinburgh has entered into 14 international twinning arrangements since 1954. Most of the arrangements are styled as 'Twin Cities' but the agreement with Kraków is designated as a 'Partner