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Past ESO Directors General

Below you find the list of the Directors General of ESO as from its creation in 1962.

Prof. O. Heckmann 1962-1969
Prof. A. Blaauw 1970-1974
Prof. L. Woltjer 1975-1987
Prof. H. van der Laan 1988-1992
Prof. R. Giacconi 1993-1999
Dr. C. Cesarsky 1999-2007
Prof. T. de Zeeuw 2007–2017
Prof. Xavier Barcons 2017–present