Robert Liston (1794–1847), FRCSEd (1818). Portrait by Samuel John Stump (1778–1863), 1847. The Royal College of Surgeons of Edinburgh via Wikimedia. CC BY-NC-ND 4.0. Samuel Johnson, a man of strongly held prejudices, had a low opinion of most foreigners, and this included the Scots. James Boswell, his biographer and a Scotsman himself, records how Johnson…