What country is located the intergovernmental organization of which Sir Gerald Gray Fitzmaurice  was a member?
Permanent Court of Arbitration The Permanent Court of Arbitration (PCA) is an intergovernmental organization located at The Hague in the Netherlands. The PCA is not a court "in the traditional sense", but provides services of arbitral tribunal to resolve disputes between member states, international organizations, or private parties arising out of international agreements. The cases span a range of legal issues involving territorial and maritime boundaries, sovereignty, human rights, international investment, and international and regional trade. The PCA is constituted through two separate multilateral conventions with a combined membership of 121 states. The organization is not a United Nations agency,
Organization of Ibero-American States The Organization of Ibero-American States (Portuguese: "Organização dos Estados Ibero-americanos" , Spanish: "Organización de Estados Iberoamericanos" , usually abbreviated OEI), formally the Organization of Ibero-American States for Education, Science and Culture, is an international organization whose members are the Portuguese- and Spanish-speaking nations of the Americas and Europe and Equatorial Guinea in Africa. Its purpose is to promote intergovernmental cooperation among its member nations which will aid the planning and development of regional projects in education, science, technology and the arts. OEI members include Andorra, Argentina, Bolivia, Brazil, Colombia, Costa Rica, Cuba, Chile, Dominican Republic, Ecuador, El Salvador, Guatemala, Equatorial Guinea, Honduras, Mexico, Nicaragua, Panama, Paraguay, Peru, Portugal, Spain, Uruguay and Venezuela. Its General Secretariat is located in Madrid, with regional offices in Argentina, Brazil, Colombia, El Salvador, Spain, Mexico and Peru and field offices in Chile, Honduras, Nicaragua and Paraguay. Financing of OEI operations and programs is derived from obligatory quotas and voluntary contributions from the governments of member nations and private cultural and educational institutions and foundations. The honorary president of the organization is King Felipe VI of Spain.