“…Charcot' s academic career, by contrast, progressed more slowly, and it was not until 1882 that it culminated in his appointment as chair of Diseases of the Nervous System 1,4,8 . After 1882, a certain rivalry between them became evident in their pupils -Pierre Marie, Charcot' s most loyal disciple, and Dejerine 1,2,9 , who was renowned as Vulpian' s most brilliant disciple and had never worked with Charcot' s group at the Salpêtrière Hospital 1,2,3,8,9 . Although they respected each other, there was great rivalry between them and Charcot himself said that Dejerine had a stronger personality than his pupils, which became evident in the examination for the position of associate professor in 1886 1,2,3,8,9 .…”