· Robert Schuman
      1886-1963
      French Prime Minister, European Parliament President
      Christian democrat
      Schuman Declaration (9 May 1950) enabling the ECSC (CECA)
      First President of the European Parliamentary Assembly 1958

· Konrad Adenauer
      1867-1976
      German Chancellor
      Christian democrat
      Post-war German reintegration
      Supporter of the ECSC (CECA)

· Paul-Henri Spaak
      1899-1972
      Belgian Prime Minister
      Socialist
      Benelux promoter
      First President of the Common Assembly in 1952
      Led 1956 Val Duchesse negotiations and the Spaak report before the Rome Treaties

· Joseph Bech
      1987-1975
      Luxembourgian Prime Minister
      Conservative
      Headed de Luxemourgian delegation at the 1955 Messina conference

· Alcide De Gasperi
      1881-1954
      Italian Prime Minister, Common Assembly President
      Christian democrat
      European activist, Schuman Plan supporter
      Second President of the Common Assembly in 1954

· Walter Hallstein
      1901-1982
      German State secretary, Commission President
      Christian democrat
      Headed the German delegation at the 1955 Messina conference
      First President of the EC Commission in 1958

· René Pleven
      1901-1993
      French Prime Minister
      Gaullist, socialist
      Author of the 1950 Pleven Plan (European Defence Community)