JMS Pearce Hull, England   Fig 1. Wernicke’s Lehrbuch der Gehirnkrankheiten. Internet Archive. Public domain. Before Sergei Sergeivich Korsakoff described the psychosis that bears his name, Carl Wernicke reported a closely related and often coexistent syndrome. It is variously named Wernicke-Korsakoff encephalopathy, syndrome, or psychosis. Two more different personalities would be hard to imagine.  …