RAMESH AGARWAL is executive director of the National Institute for Aviation Research at Wichita State University, which conducts research and technology transfer activities for the purpose of advancing the nation's aviation industry, including the general aviation industry. He is also the former chair of the Aerospace Engineering Department, holds the Bloomfield Distinguished Professorship in the College of Engineering, and is senior fellow at the National Institute for Aviation Research. Since receiving a Ph.D. in aeronautical sciences from Stanford University, Dr. Agarwal has conducted both basic and applied research in all aspects of computational fluid dynamics applied to transport and military aircraft, missiles and launch vehicles, and rotorcraft. He is a fellow of the American Institute of Aeronautics and Astronautics, the American Society of Mechanical Engineers, and the American Association for the Advancement of Science.

JACK BLUMENTHAL, NAE, recently retired as assistant director of the TRW Center for Automotive Technology, where he was responsible for the design and manufacture of advanced technologies for use in automobiles, including ''smart" air bag/seat belt systems for passenger safety. Prior to holding this position, Dr. Blumenthal was employed by the TRW Defense and Space Sector in a number of functions related to research and the management of research in manufacturing, chemical engineering, catalysis, high-temperature materials, combustion, and rocket propulsion. He received his Ph.D. in chemical engineering from the University of California, Los Angeles, holds 16 U.S. patents, and is the author or co-author of more than 28 publications.

HEINZ GERHARDT is principal engineer and team leader for advanced projects in the Military Aircraft Systems Division of the Northrop Grumman Corporation. In recent years, he was in charge of the design of a high-speed civil transport aircraft achieving increased performance by incorporating a reverse delta wing to attain natural laminar flow. He also has been involved in a study to explore the synergistic benefits of liquid hydrogen for jet fuel and thermal laminar flow control in subsonic, long-range surveillance aircraft. Mr. Gerhardt has worked for Northrop Grumman since 1962 in various research and management positions during which time he developed a number of innovative concepts, including variable span wings, transverse thrust for lift augmentation, and a linear turbine for maglev train propulsion. He graduated with a Diplom-Ingenieur degree (M.S. equivalent) in mechanical engineering from the Technical University, Darmstadt, Germany. He is an associate fellow of the American Institute of Aeronautics and Astronautics, which awarded him the Aerodynamics Award in 1994. Mr. Gerhardt holds 12 patents.

EDWARD GREITZER, NAE, is currently director of Aeromechanical, Chemical, and Fluid Systems at United Technologies Research Center, on leave from the Massachusetts Institute of Technology's (MIT) Department of Aeronautics and Astronautics, where he was associate head. He is also a former director of the MIT Gas Turbine Laboratory. Dr. Greitzer's research at MIT and at Pratt & Whitney (prior to joining the MIT faculty) has focused on fluid dynamics, propulsion, turbomachinery, gas turbine engines, and active control of aeromechanical systems. He is a fellow of the



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