RAKESH AGRAWAL, ScD, is the Winthrop E. Stone Distinguished Professor of Chemical Engineering at Purdue Univ. (Email: email@example.com). His research includes novel processes for the fabrication of low-cost thin-film solar cells, energy systems analysis, shale gas processing, biomass-to-liquid-fuel conversion, synthesis of efficient multicomponent separation processes using distillation, membranes and adsorption, and basic and applied research in gas separations and liquefaction. He is director of the center for Sustainable Food Energy and Water Systems (SFEWS). He has received several awards and honors, including the National Medal of Technology and Innovation from President Barack Obama. He is a member of the U.S. National Academy of Engineering and a fellow of the American Academy of Arts and Sciences, the National Academy of Inventors, and AIChE. He holds 126 U.S. patents, has published 222 technical papers, and has given more than 260 invited lectures.