Lodewijk Woltjer (26 April 1930 – 25 August 2019) was an astronomer, and the son of astronomer Jan Woltjer. He studied at the University of Leiden under Jan Oort earning a PhD in astronomy in 1957 with a thesis on the Crab Nebula. This was followed by post-doctoral research appointments to various American universities and the subsequent appointment of professor of theoretical astrophysics and plasma physics in the University of Leiden. From 1964 to 1974 he was Rutherford Professor of Astronomy and Chair of the Astronomy Department at Columbia University in New York. From 1975 to 1987 he was Director General of the European Southern Observatory (ESO), where he initiated the construction of the Very Large Telescope. In 1994–1997 he was President of the International Astronomical Union. Woltjer was honored in 1987 with the Karl Schwarzschild Medal.
|1st President of the European Astronomical Society|
1990 – 21 August 1993
|Succeeded by||Paul Murdin|
|Born||26 April 1930|
|Died||25 August 2019 (aged 89)|
|Alma mater||University of Leiden|
|Known for||Woltjer's theorem|
|Awards||Karl Schwarzschild Medal (1987)|
|Doctoral advisor||Jan Oort|
- Grewing, M. (1987). "Karl-Schwarzschild-Vorlesung 1987: Lodewijk Woltjer". MitAG. 70: 19. Bibcode:1987MitAG..70...19G. ISSN 0374-1958.CS1 maint: date and year (link)
- Léna, P. (December 1992), "Professor Lodewijk Woltjer elected to the French Academy of Sciences" (PDF), The Messenger, ESO, 70: 27, Bibcode:1992Msngr..70...27L, retrieved 2011-01-22
- Lodewijk Woltjer at the Mathematics Genealogy Project
- "Leidse hoogleraren - Woltjer, Lodewijk". hoogleraren.leidenuniv.nl. Retrieved 6 March 2020.
- Courvoisier, Thierry. "Lodewijk Woltjer (26 April 1930 - 25 August 2019)". Retrieved 6 March 2020.
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