Annabelle Slingerland Leon Lacquet Leiden, the Netherlands   Ferndinand Sauerbruch at a medical lecture at the University of Zurich, between 1910 and 1917. Source unknown. Accessed via Wikimedia commons. Source Ferdinand Sauerbruch (1875-1951) was one of the most important thoracic surgeons of the first half of the twentieth century, remembered for pioneering a method that…