Title: Lectures from the CERN Winter School on Strings, Supergravity and Gauge Theories, CERN, 9–13 February 2009
Abstract: This special section is devoted to the proceedings of the conference `Winter School on Strings, Supergravity and Gauge Theories', which took place at CERN, the European Centre for Nuclear Research, in Geneva, Switzerland 9–13 February 2009.