This award is made as part of the FY 2013 Mathematical Sciences Postdoctoral Research Fellowships Program. Each of the fellowships supports a research and training project at a host institution in the mathematical sciences, including applications to other disciplines, under the mentorship of a sponsoring scientist. The title of the project for this fellowship to Joshua Zahl is "Kakeya and Incidence Theorems, Erdos Distance Problem, and Efficient Partitions of Euclidean Space." The host institution for the fellowship is the Massachusetts Institute of Technology, and the sponsoring scientist is Dr. Lawrence Guth.