John Peacock is a cosmologist, astronomer and professor of cosmology in the Institute for Astronomy at the University of Edinburgh.  Peacock studied physics at the University of Cambridge, obtaining his Ph.D. in 1981. He worked as a research astronomer at the Royal Observatory, Edinburgh, where he was appointed Head of Research in 1992.   He is a Fellow of the Royal Society and the Royal Society of Edinburgh, and winner of the Shaw Prize.  He is also part of the Scottish Universities Physics Alliance.  He was the UK Chariman of the 2dF Galaxy Redshift Survey, which transformed our knowledge of galaxy clustering in the early years of the 21st Century, winning the 2008 RAS Group Achievement Award.  His research interests are a mixture of theoretical and observational cosmology: galaxy formation and clustering; high redshift galaxies and quasars; and gravitational lensing.  He authored the postgraduate textbook 'Cosmological Physics', published in 1998.