Education
Master of Science in Physics, Indian Institute of Technology, New Delhi, 1978. Doctor of Philosophy in Astronomy, University California, Berkeley, 1983.
Master of Science in Physics, Indian Institute of Technology, New Delhi, 1978. Doctor of Philosophy in Astronomy, University California, Berkeley, 1983.
Postdoctoral fellow Radio Astronomy Laboratory University California, Berkeley, 1983—1985. Robert A. Millikan fellow radio astronomy California Institute of Technology, Pasadena, 1985—1987, assistant professor astronomy, 1987—1990, associate professor, 1990—1992, professor, 1992—1995, professor astronomy and planetary science, 1996—2001, McArthur professor, since 2001. Visiting scientist Arecibo Observatory National Astronomy and Ionosphere Center, 1992.
Visiting professor Institute Space and Astronautical Science, Japan, 1993. Visiting scholar University Georgia, 1995. Miller visiting professor University California, Berkeley, 1995.
Executive officer astronomy California Institute of Technology, 1997—2000. Senior fellow Mount Wilson Institute, Pasadena, since 1998. Visiting professor, Harris lecturer Massachusetts Institute of Technology, Cambridge, 2000—2001.
Director Michelson Science Center California Institute of Technology, since 2003.
Fellow: American Academy Arts & Sciences, Royal Society, London. Member: National Academy of Sciences.