Guido Werdnig (1844 - 1919) was an Austrian neurologist. Werdnig–Hoffmann syndrome (1891) [Hereditary motor neuropathy type 1]
Johann Hoffmann (1857-1919) was a German neurologist. The first 'pure' neurologist in Germany. Hoffmann reflex; Werdnig–Hoffmann syndrome
Charcot-Marie-Tooth disease (spinal form of muscular atrophy) is the commonest disease within a group of conditions called Hereditary Motor and Sensory Neuropathies (HMSN).