- Born on 11 June 1929 in Schifflange (L)

- Secretary and editor at the Lëtzebuerger Arbechter-Verband (Luxembourg Workers’ Union — LAV) (1949–1963)

- Employee in the liaison office for miners and metalworkers at the European Coal and Steel Community (ECSC) (1951–1958)

- General Secretary for agricultural and food workers’ trade unions at the European Trade Union Secretariat (ETUS) (1963–1971)

- Member of the Luxembourg Chamber of Deputies (1965–1989)

- Member of the European Parliament (1965–1974, 1989–2014)

- President of the European Movement Luxembourg (since 2016)