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David A Williams, PhD

David A. Williams is the Emeritus Perren Professor of Astronomy at University College London. A former president of the Royal Astronomical Society (2000-2) and recipient of the RAS's Gold Medal (2009), he has led research groups in Manchester and London, and has co-authored a number of texts on astrophysics and astrochemistry. His research interests centre on astrochemistry and using molecular line emissions to describe and understand the evolution of astronomical regions.