Claim: Jean-Martin Charcot never formally instructed anyone.
Evidence: Jean-Martin Charcot -LRB- -LSB- ʃɑrˈkoʊ -RSB- -LSB- ʃaʁko -RSB- ; 29 November 1825 -- 16 August 1893 -RRB- was a French neurologist and professor of anatomical pathology.