He is very active in supporting graduate students and has acted as primary supervisor for 60 PhD students and 12 postdocs. He currently supervises Stephanie Monty on globular cluster populations in the Milky Way. Five of his students have won Hubble Fellowships. He is active in international astronomy, as a division past-president of the International Astronomical Union, and serves on visiting committees for several major astronomical institutions around the world. He has been an invited speaker at 154 international conferences since 1969. He has co-authored a book on dark matter.
Provided by Wikipedia
Cookies are small pieces of data that websites store in your browser to allow us to give you the best browsing experience