Margaret Dix
Margaret Dix (1902–1991), British neuro-otologist who co-developed the Dix–Hallpike test, reshaped diagnosis of vertigo and advanced vestibular science
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Charles Hallpike
Charles S. Hallpike (1900–1979), British neuro-otologist, co-devised the Dix–Hallpike manoeuvre, clarified Menière’s disease pathology, and pioneered vestibular physiology.