Emeritus Professor of Radio Astronomy
Battcock Centre for Experimental Astrophysics,
JJ Thomson Avenue
Cambridge CB3 0HE
Pulsar radiation mechanisms.
Use of interstellar and interplanetary scintillation as a tool for obtaining high angular resolution and as a probe of the plasma.
Mapping of major interplanetary disturbances and their relation to shock accelerated particles and geomagnetic activity using observations with the 3.6 hectare array.
Analytical modelling of interplanetary shocks and interpretation of spacecraft data relevant to space weather.