The Materials Research Society (MRS) has selected Peidong Yang, Lawrence Berkeley National Laboratory, to receive the 2011 MRS Medal. This prestigious honor recognizes a specific outstanding recent discovery or advancement that is expected to have a major impact on the progress of a materials-related field. Yang was named MRS medalist for "outstanding contributions in the creative synthesis and assembly of semiconductor nanowires and their heterostructures, and innovations in nanowire-based photonics, thermoelectrics, solar energy conversion and nanofluidic applications."