Stuart Ross Taylor is a trace element geologist and an Emeritus Professor at the Australian National University. His research has covered wide-ranging topics involving trace element geochemistry, from the composition and evolution of the Moon, to tektites and the continental crust of the Earth. He has a DSc from the University of Oxford, is a Foreign Member of the US National Academy of Sciences and has received the Goldschmidt Medal of the Geochemical Society, the Leonard Medal of the Meteoritical Society and the Bucher Medal of the American Geophysical Union. Professor Taylor is the author of 240 scientific papers and nine books, including Planetary Crusts (with Scott McLennan, 2008) which won the 2010 Mary Ansari Best Reference Award of the Geoscience Information Society. He carried out the initial analysis of the first lunar sample returned to Earth at NASA, Houston in 1969 and Asteroid 5670 is named Rosstaylor in his honour.