Armand du Paty de Clam
Lieutenant-Colonel Charles Armand Auguste Ferdinand Mercier du Paty de Clam (21 February 1853, Paris – 3 September 1916, Versailles) was a French army officer and graphologist, and a key figure in the Dreyfus affair.
The original article can be found at Armand du Paty de Clam and the edit history here.