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On Sept. 7, 1934, Prof. Karl Schaffer, founder of research on the brain in Hungary, celebrated his seventieth birthday while still enjoying youthful vigor of body and mind. As privat-docent in neurology at the University of Budapest, he became chief of the department of nervous and mental diseases at the infirmary in that city in 1895. Here he established and maintained, with private funds, a histologic laboratory from which he issued numerous important works on Tay-Sachs' disease, tabes, dementia paralytica and other problems in cerebral pathology. Some of his earliest work concerned the mode of invasion by the virus of lyssa, his observations being confirmed and extended some forty years later by Pette, Spielmeyer and Spatz.
Schaffer's interests were strikingly broad. Even as a young assistant he studied the reflex phenomena of hypnotism, the results of this work, especially as regards optic reflex contractions, receiving confirmation thirty-six years later from
Mickolczy D. KARL SCHAFFER 1864-1934. Arch NeurPsych. 1934;32(5):1063. doi:10.1001/archneurpsyc.1934.02250110151013
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