摘要
Preparation for the Congress The Committee for the Organization of the 9th International Geological Congress(Vienna,1903),taking account of the views of a wide range of scientists,requested the organization of the 1906 Congress by the geologists of the Instituto Geológico Nacional de México(IGN).The letter of invitation,dated 3 February 1903,was signed by the paleontologist Karl Dienner(1862–1928),Secretary General of the IGC.The meeting should have the mining engineer JoséGuadalupe Aguilera Serrano(1857–1941)as its President.The first requirement was the authorization of the dictator of Mexico,Joséde la Cruz Porfirio Díaz Mori(1830–1911),who had been in power since 1884(Anon.,1907).
