DescriptionPoincare.jpg Henri Poincaré (1854-1912), mathématicien français Date 1887 Source fr:Image:Poincare.jpg Author Eugène Pirou (1841–1909) [1] Other
1.0falsefalse English This file is a copy of the signature of Raymond Poincaré (trimed from a signed portrait from 1913), President of France from February