so-called pickup ion population, and theoretical concepts and experimental exploration methods of interaction between the heliosphere and local interstellar medium. From 2001 to 2003, Dr. Zurbuchen served on the NRC Solar and Space Physics Survey Panel on the Sun and Heliospheric Physics. He is a recipient of a Presidential Early Career for Scientists and Engineers Award. He serves on the NRC Committee on Solar and Space Physics.


DWAYNE A. DAY, Study Director, received his Ph.D. in political science from the George Washington University and has previously worked for the Columbia Accident Investigation Board and the Congressional Budget Office. He has previously been both a Verville Fellow and a Guggenheim Fellow at the Smithsonian National Air and Space Museum. He edited Eye in the Sky, a history of the early American satellite reconnaissance program, and wrote Lightning Rod, a history of the Air Force chief scientist’s office. He is associate editor of the German spaceflight magazine Raumfahrt Concret, and has served as a guest editor of the Journal of the British Interplanetary Society.

ARTHUR CHARO, Senior Program Officer, received his Ph.D. in physics from Duke University in 1981 and was a postdoctoral fellow in chemical physics at Harvard University from 1982 to 1985. Dr. Charo then pursued his interests in national security and arms control at Harvard University’s Center for Science and International Affairs, where he was a fellow from 1985 to 1988. From 1988 to 1995, he worked in the International Security and Space Program in the U.S. Congress’s Office of Technology Assessment (OTA). Dr. Charo has been a senior program officer at the Space Studies Board (SSB) of the NRC since OTA’s closure in 1995. His principal responsibilities at the SSB are to direct the activities of the NRC Committee on Earth Studies and the NRC Committee on Solar and Space Physics. Dr. Charo is a recipient of a MacArthur Foundation Fellowship in International Security (1985-1987) and was the American Institute of Physics’s 1988-1989 American Association for the Advancement of Science Congressional Science Fellow. In addition to directing studies that have resulted in some 28 reports from the NRC, he is the author of research papers in the field of molecular spectroscopy; reports to Congress on arms control and space policy; and the monograph Continental Air Defense: A Neglected Dimension of Strategic Defense (University Press of America, 1990).

CATHERINE A. GRUBER, Assistant Editor, joined the SSB as a senior program assistant in 1995. Ms. Gruber came to the NRC in 1988 as a senior secretary for the Computer Science and Telecommunications Board and has also worked as an outreach assistant for the National Academy of Sciences-Smithsonian Institution’s 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.

CELESTE NAYLOR, Senior Program Assistant, joined the NRC and the SSB in June 2002. She has worked with the Committee on Astronomy and Astrophysics, the Committee on Assessment of Options to Extend the Life of the Hubble Space Telescope, and also with the Committee on Microgravity Research and the Task Group on Research on the International Space Station. Ms. Naylor is a member of the Society of Government Meeting Professionals and has more than 7 years of experience in event management.

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