The blog Cocktail Party Physics has recently posted a piece with some basic coverage of two great neurologists from the past: Camillo Golgi and Santiago Ramón y Cajal (see here and here for earlier AHP posts). As you may recall, Golgi, who invented a revolutionary technique for staining brain tissue, concluded that the brain consists of an interconnected web of fibers. Ramon y Cajal, using Golgi’s staining method, averred, by contrast, that the brain is made up of billions of separate cells — neurons. Ramón y Cajal turned out to be right, of course (at least by current lights), but he wouldn’t have been able to make the discovery without Golgi’s technique, so the two rivals shared the 1906 Nobel Prize for physiology or medicine. Continue reading Golgi and Ramon y Cajal →