William Sirignano, The Henry Samueli Endowed Chair in Engineering at UC Irvine, has been selected to receive the prestigious American Institute of Aeronautics and Astronautics Wyld Propulsion Award for 2009 for outstanding achievement in the development or application of rocket propulsion systems. Sirignano, mechanical and aerospace engineering professor, also has been named a fellow of the Society for Industrial and Applied Mathematics in recognition of his exceptional contributions to the fields served by SIAM. Sirignano’s research includes spray combustion, turbulent combustion and ignition, aerospace propulsion, rocket combustion instability, automotive combustion, energy conversion and air pollution, fire research, noise suppression, and applied mathematics.