Education
Bachelor in Physics, University College, Oxford, England. Doctor of Philosophy in Astrophysics, Balliol College, Oxford, England, 1965.
Bachelor in Physics, University College, Oxford, England. Doctor of Philosophy in Astrophysics, Balliol College, Oxford, England, 1965.
Research fellow California Institute of Technology, Pasadena, 1967—1969, Mount Wilson Palomar Observatories. Faculty associate department astronomy University Texas, Austin, 1969—1970, associate professor, 1970—1974, professor Austin, since 1974, Isabel McCutcheon Harte Centennial professor, 1983—1987, Isabel McCutcheon Harte Centennial chair, since 1987, associate director McDonald Observatory, 1989—1990, director McDonald Observatory, since 1990.
Fellow Royal Astronomical Society. Member American Astronomical Society (Dannie Heineman Prize for Astrophysics, 1987, Henry Norris Russell Lectureship, 2007), International Astronomical Union.