Walter Hallstein (17 November 1901 – 29 March 1982) was a German academic, diplomat, and politician, the first president of the Commission of the European Economic Community and one of the founding fathers of the European Union.
Jean Rey (15 July 1902 – 19 May 1983) was a Belgian lawyer and Liberal politician who became the second President of the European Commission. The 1983–1984 academic year at the College of Europe was named in his honour.
Giuseppe Caron (24 February 1904 – 3 March 1998) was an Italian Christian Democratic Party (CDP) politician who was a Minister in successive governments in the 1950s to the 1970s, and a European Commissioner. He was born in Treviso.
Robert Marjolin (27 July 1911 – 15 April 1986) was a French economist and politician involved in the formation of the European Economic Community.
Michel Rasquin (19 September 1899 – 27 April 1958) was a Luxembourgish journalist and socialist politician, and European Commissioner.
Hans von der Groeben (14 May 1907 – 5/6 March 2005) was a German diplomat, scientist and journalist and member of the European Commission.
Sicco Leendert Mansholt (13 September 1908 – 29 June 1995) was a Dutch politician of the Labour Party (PvdA).
Lionello Levi Sandri (Milan, 5 October 1910 – Rome, 14 April 1991) was an Italian politician and European Commissioner.
Robert Lemaignen (1893–1980) was a right-wing French European Commissioner.
Lambert Schaus (18 January 1908 – 10 August 1976) was a Luxembourg politician, jurist, and diplomat. He held office as a government minister and European Commissioner.
Giuseppe Petrilli (1913? – 13 May 1999?) was an Italian professor and European Commissioner.
Piero Malvestiti (1899–1964) was an Italian politician who was a minister in successive governments in the 1940s and 1950s, a European Commissioner and President of the High Authority of the European Coal and Steel Community.