Philip R. Liebson Chicago, Illinois, United States   Johns Hopkins, where Dandy studied. Photo by Lizardraley99, 2012. Via Wikimedia. CC BY-SA 3.0 Three pioneers established the discipline of neurosurgery. They were the British surgeon Victor Horsley and the Americans Harvey Cushing and Walter Dandy. Both Americans were surgeons at Johns Hopkins Hospital and Dandy (1886-1946)…