Category:1947 births Category:Living people Category:  Fellows of the American Geophysical Union Category:Fellows of the Royal Society Category:Recipients of the Gold Medal of the Royal Astronomical Soc
Category:1947 births Category:Living people Category: Alumni of Imperial College London Category: Fellows of the American Geophysical Union Category:Fellows of the Royal Society Category:Recipients of the Gold Medal of the Royal Astronomical Soc
A
Alumni of Imperial College London Category: