John Hughlings Jackson (1835-1911) was a preeminent British neurologist who is widely recognized today as one of the leading founders of modern clinical neurology and neuroscience. He had a unique ability to translate messy clinical data into viable neuroscientific conceptions. This ability served him well, because in his early years knowledge of cerebral organization was quite rudimentary. Jean-Martin Charcot (1825-1893) faced the same problem at...