Henri La Fontaine, was a Belgian international lawyer and president of the International Peace Bureau. He received the Nobel Peace Prize in 1913 because "he was the effective leader of the peace movement in Europe." The Nobel Peace Prize 1913, announced December 10, 1913. Henri La Fontaine, “for his unparalleled contribution to the organization of peaceful internationalism”. Henri La Fontaine: born 1854, Brussels, Belgium. Wiki link Data: the Nobel Foundation (CC0).