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- David Leslie Andrews, FRSC, FInstP (15 October 1952) is a British scientist appointed as Professor of Chemical Physics at the University of East Anglia, where he was the Head of Chemical Sciences and Physics, from 1996 to 1999. Andrews and his research group are known for wide-ranging theory work on optical phenomena, developing quantum electrodynamical theory and symmetry principles for numerous applications including fluorescence, and optical nanomanipulation. Andrews is also known for pioneering work on the quantum theory of intermolecular energy transfer, in which he developed the Unified Theory of energy transfer that accommodates both radiationless and radiative processes. He has also made other notable contributions to quantum optics and nonlinear optics, with many studies of chiral interactions including a prediction of the hyper–Rayleigh scattering effect, while studies of chirality and optical helicity led to his research group's many contributions to the theory of optical vortices. Andrews is the author of over four hundred scientific papers and technical books. He has been instrumental in launching several international conference series, including a series of International Conferences on Optical Angular Momentum. Many others are conferences run by SPIE – the global society for optics and photonics, of which he is a Fellow member and 2021 President. He is also a Fellow of the Royal Society of Chemistry, the Institute of Physics, and the Optical Society of America. In his spare time he is an active member of his local church, he paints landscapes, and he writes occasional poetry. (en)
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