Major General Charles-Arthur Gonse (19 September 1838, Paris – 18 December 1917, Cormeilles-en-Parisis), was Deputy Chief of Staff under the authority of General Raoul Le Mouton de Boisdeffre during the Dreyfus affair.
When confronted with overwhelming evidence that Ferdinand Walsin Esterhazy was guilty of the espionage that Alfred Dreyfus had wrongfully been convicted of, Gonse simply overlooked it and refused to recognize Dreyfus's innocence.
The original article can be found at Charles-Arthur Gonse and the edit history here.