of Civil Engineers, and is an AIAA associate fellow. He received his B.S.C.E. from Princeton University and his M.S. and Ph.D. from Northwestern University. Dr. Schonberg served on the NRC’s Committee on Space Shuttle Meteoroid/Debris Risk Management.


PAUL JACKSON, Study Director, is a program officer for the Aeronautics and Space Engineering Board (ASEB). He joined the NRC in 2006 and was previously a media relations contact for the Office of News and Public Information. He is the study director for a number of ASEB’s projects, including proposal reviews for the state of Ohio and this project. Mr. Jackson earned a B.A. in philosophy from Michigan State University in 2002 and an M.P.A in policy analysis, economic development, and comparative international affairs from Indiana University in 2006.

LEWIS B. GROSWALD, research associate, joined the Space Studies Board (SSB) as the Autumn 2008 Lloyd V. Berkner Space Policy Intern. Mr. Groswald is a graduate of George Washington University, where he received a master’s degree in international science and technology policy and a bachelor’s degree in international affairs, with a double concentration in conflict and security and Europe and Eurasia. Following his work with the National Space Society during his senior year as an undergraduate, Mr. Groswald decided to pursue a career in space policy, with a focus on educating the public on space issues and formulating policy.

JOHN F. WENDT joined the NRC as a part-time, off-site senior program officer for ASEB in 2002. His main activities have involved proposal evaluations for the Air Force Office of Scientific Research and the state of Ohio. He retired in 1999 as director of the von Karman Institute (VKI) for Fluid Dynamics. The VKI is a NATO-affiliated international postgraduate and research establishment located in a suburb of Brussels, Belgium. As director, Dr. Wendt’s main responsibility was to ensure the continued excellence of the institute’s teaching and research programs by providing effective leadership and administrative and financial management. Dr. Wendt’s career at the VKI began as a postdoctoral researcher in 1964. He served as head of the Aeronautics/Aerospace Department and dean of the faculty prior to becoming director in 1990. His research interests were rarefied gas dynamics, transonics, high angle of attack aerodynamics, and hypersonic reentry, including major inputs to the European Hermes space shuttle program in the 1980s. Dr. Wendt has served as a consultant to the U.S. Air Force, NATO, and the European Space Agency. He is a fellow of the American Institute of Aeronautics and Aerospace. Dr. Wendt received a B.S. degree in chemical engineering from the University of Wisconsin and M.S. and Ph.D. degrees in mechanical engineering and astronautical sciences from Northwestern University.

CATHERINE A. GRUBER, editor, joined the SSB as a senior program assistant in 1995. Ms. Gruber first came to the NRC in 1988 as a senior secretary for the Computer Science and Telecommunications Board and also worked as an outreach assistant for the National Science Resources Center. She was a research assistant (chemist) in the National Institute of Mental Health’s Laboratory of Cell Biology for 2 years. She has a B.A. in natural science from St. Mary’s College of Maryland.

ANDREA M. REBHOLZ joined the ASEB as a program associate in January 2009. She began her career at the National Academies in October 2005 as a senior program assistant for the Institute of Medicine’s Forum on Drug Discovery, Development, and Translation. Before joining the Academies, she worked in the communications department of a D.C.-based think tank. Ms. Rebholz graduated from George Mason University’s New Century College in 2003 with a B.A. in integrative studies–event management and has more than 9 years of experience in event planning.

RACHAEL ALEXANDROFF grew up in Toronto, Canada, and is currently a rising senior at Princeton University. She is pursuing a major in astrophysics with a certificate in planets and life. On campus she is the president of the Astrobiology Club and a participant in the women in science at Princeton focus group. She has done research in the areas of planetary statistics and active galactic nuclei, including an internship in the summer of 2010 at the

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