Tulane University physics Professor John P. Perdew was elected to the National Academy of Sciences (NAS) in May 2011 for his key role in the development of density functional theory (DFT). Dr. Perdew joins the NAS ranks with LSU physicist Dr. Ward Plummer, who was elected in 2006, and 2,100 other distinguished scientists, many of which are Nobel Prize winners. Drs. Perdew and Plummer are members of the Louisiana Alliance for Simulation-Guided Materials Applications (LA-SiGMA), funded by NSF EPSCoR.