Lodewijk Woltjer

Lodewijk Woltjer is an astronomer, and the son of the 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 postdoctoral 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 , where he initiated the construction of the Very Large Telescope. In 19941997 he was President of the International Astronomical Union. Woltjer was honored in 1987 with the Karl Schwarzschild Medal.

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Source: Wikipedia