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Committee Membership Information

Project Title: A Survey of the Scientific Uses of the Radio Spectrum

PIN: BPAX-L-03-04-A        

Major Unit:
Division on Engineering and Physical Sciences

Sub Unit: Board on Physics & Astronomy DEPS


Lang, David

Subject/Focus Area:  Earth Sciences; Policy for Science and Technology; Space and Aeronautics

Committee Membership
Date Posted:   02/15/2008

Dr. Marshall H. Cohen - (Co-Chair)
California Institute of Technology [Retired]

Dr. Cohen received his Ph.D. in Physics from Ohio State University in 1952. He is Professor Emeritus in the Astronomy Department at Caltech. Before coming to Caltech, he was Professor of Electrical Engineering then Astronomy at Cornell, spent two years as Professor of Applied Electrophysics at UC San Diego, and then came to Caltech in 1968. Dr. Cohen has conducted radio astronomy research in solar physics and active galactic nuclei (AGN), optical research on magnetic white dwarfs and on AGN. He was also involved with commissioning the Arecibo telescope, and in developing VLBI and the Network that was set up to manage VLBI observations in the 1970s. Currently, he uses the VLBA to study the statistics of superluminal sources. Using the large telescopes at Palomar and Keck Observatories, he conducts polarization observations of the spectrum to study the relations among the different classes of objects and their evolution. Dr. Cohen has been very involved with Academies activities, having been a member of DEPS, the Commission on Physical Sciences, Mathematics, and Applications, the PNAS Editorial Board, the NAS Class I Membership Committee, USNC URSI, Chair of NAS Section 12: Astronomy, and the 1980’s Astronomy Survey Committee. He was also on panels of the 1970’s and 1990’s Astronomy Survey study.

Dr. Roberta Balstad
Center for International Earth Sciences Information Network

Dr. Balstad (formerly Roberta Balstad Miller) is Senior Research Scientist at Columbia University and a Senior Fellow with CIESIN. Dr. Balstad has published extensively on science policy, information technology and scientific research, remote sensing applications and policy, and the role of the social sciences in understanding global environmental change. She is the author of numerous articles and books, including City and Hinterland: A Case Study of Urban Growth and Regional Development (1979) and editor, with Harriet Zuckerman, of Science Indicators: Implications for Research and Policy (1980). Dr. Balstad received her Ph.D. from the University of Minnesota in 1974. She was a senior fellow at Oxford University in 1991-1992 and a Guest Scholar at the Woodrow Wilson International Center for Scholars in 1994. She is currently chair of the U.S. National Committee on Science and Technology Data (CODATA) and chaired the Priority Area Assessment panel on Scientific Data and Information of the International Council of Science (ICSU). She is a member of the Board of Directors of the Open Geospatial Consortium (OGC) and the U.S. National Committee for IIASA. Before joining Columbia University, Dr. Balstad was previously the Director of the Division of Social and Economic Sciences at the National Science Foundation, the founder and first Executive Director of the Consortium of Social Science Associations (COSSA), and President/CEO of CIESIN. In 1998, she led CIESIN's transition from Saginaw, Michigan to become part of the Earth Institute at Columbia University, where she served as CIESIN's Director through April 2006. She has lectured widely, both in the United States and abroad. From 1992 to 1994, she was Vice President of the International Social Science Council and has also served as chair of the NRC Steering Committee on Space Applications and Commercialization, the NATO Advisory Panel on Advanced Scientific Workshops/Advanced Research Institutes, the AAAS Committee on Science, Engineering and Public Policy, and the Advisory Committee of the Luxembourg Income Study. She currently serves as chair of St. Antony's College Trust (Oxford University) in North America.

Dr. Steven W. Ellingson
Virginia Polytechnic Institute and State University

Dr. Ellingson is an Assistant Professor in the Bradley Department of Electrical and Computer Engineering, Virginia Tech. Dr. Ellingson received his Ph.D. in Electrical Engineering from Ohio State University in 2000. Before coming to Virginia Tech, he held research positions at Ohio State University, Raytheon, and Booz-Allen & Hamilton, Inc. Dr. Ellingson was previously a Captain in the U.S. Army on Active Duty between 1989-1993. Prof. Ellingson’s research interests are in the general areas of electromagnetics, applied signal processing, and instrumentation. He is specifically interested in direction finding, interference mitigation, wireless communications, radio astronomy, and the design of antennas and receivers. He has been working closely with the Long Wavelength Array, the Square Kilometer Array, and the Low Frequency Array. He is a member of the Committee on Radio Frequencies. Dr. Ellingson is a Senior Member of IEEE.

Dr. Darrel Emerson
National Radio Astronomy Observatory

Dr. Emerson was an Assistant Director of the National Radio Astronomy Observatory (NRAO), responsible for Arizona Operations, in Tucson, AZ. His responsibilities included the operation of the NRAO 12-Meter Telescope at Kitt Peak, which undertakes fundamental astronomical research in the range 67 GHz to 300 GHz. He is heavily involved in the Atacama Large Millimeter Array (ALMA) project. Dr. Emerson received his Ph.D. in radio astronomy in 1973, from the Cavendish Laboratory at the University of Cambridge, England. Before joining NRAO, he worked for several years with the Max Planck Institute for Radio Astronomy (MPIfR) 100-meter radio telescope at Effelsberg, near Bonn, Germany, and then with the Institute for Radio Astronomy in Millimeter-waves (IRAM) in Grenoble, France. His current research interests include spectral line studies of nearby normal galaxies, and development of millimeter-wave observational techniques.

Dr. Paul Kolodzy
Kolodzy Consulting, LLC

Dr. Kolodzy is a private consultant. He received his PhD and MS in Chemical Engineering from Case Western Reserve University and his BS in Chemical Engineering from Purdue University. Prior to his work as a private consultant, he was the senior technology advisor and consultant to M2Z Networks. Before M2Z Networks he was the Director of the Center for Wireless Network Security (WiNSeC) at Stevens Institute of Technology. Prior, he was the Senior Spectrum Policy Advisor at the Federal Communications Commission (FCC) and Director of Spectrum Policy Task Force charged with developing the next generation spectrum policy. Dr. Kolodzy has also been a Program Manager at the Defense Advanced Projects Agency (DARPA) in the Advanced Technology Office managing R&D for communications programs developing generation-after-next capabilities. Before DARPA, he was the Director of Signal Processing and Strategic Initiatives at Sanders (now BAE Systems), a premier electronic warfare company. Dr. Kolodzy got his start as the Group Leader and Staff Member at MIT Lincoln Laboratory working on Optical Systems for Laser Radars, Signal Processing, and Target Recognition for Acoustics, RF (SAR), and Optical signatures. Dr. Paul Kolodzy has 20 years of experience in technology development for advanced communications, networking, electronic warfare, and spectrum policy for government, private sector and academic groups. He participated in the NRC Computer Science and Telecommunications Board’s Forum on Spectrum Management Policy Reform.

Dr. David B. Kunkee
The Aerospace Corporation

Dr. Kunkee conducts microwave remote-sensing research related to the development of the National Polar-orbiting Operational Environmental Satellite system, the Defense Meteorological Satellite Program, and the NASA’s Advanced Microwave Scanning Radiometer. He is active in radio science applications and is an amateur radio hobbyist. He is a member of Commission F of the International Union of Radio Science and is a member of the Institute of Electrical and Electronics Engineer’s Geoscience and Remote Sensing, Antennas and Propagation, and Microwave Theory and Techniques Societies. He received his Ph.D. in Electrical Engineering from the Georgia Institute of Technology in 1995.

Dr. Molly K. Macauley
Resources for the Future, Inc.

Dr. Macauley is a Senior Fellow and Director of Academic Programs with Resources for the Future (RFF). Dr. Macauley's research at RFF has included public finance, energy economics, the value of information, and economics and policy issues of outer space. Dr Macauley has been a visiting professor in the Department of Economics at Johns Hopkins University. Dr. Macauley has testified before Congress on numerous occasions on topics including space commercialization, remote sensing, and legislative and regulatory space policy. Dr. Macauley has served on many committees, including the congressionally mandated Economic Study of Space Solar Power (chair). She currently serves on the Aeronautics and Space Engineering Board of the NRC and is a member of the Steering Committee for Workshops on Issues of Technology Development for Human and Robotic Exploration and Development of Space and the SSB Science Panel Review of NASA Strategic Roadmaps.

Dr. James M. Moran
Harvard-Smithsonian Center for Astrophysics

Dr. Moran is Professor and Senior Radio Astronomer at the Harvard-Smithsonian Center for Astrophysics and is Chair of the Department of Astronomy at Harvard University. He has made fundamental and far-ranging contributions to astronomy through his key developments of radio spectroscopy combined with interferometry. He has used these techniques to study cosmic masers and has obtained, among other important results, the most direct and definitive evidence for the existence of a super-massive black hole. He observes molecular masers to study the dynamics of gas surrounding putative black holes in nearby galaxies. These masers can be tracked precisely in position and velocity with intercontinental arrays of radio telescopes operating as very long baseline interferometers. With the high angular resolution provided by these interferometers, he is able to measure the orbital characteristics of the gas as well as the mass and location of the black hole. Dr. Moran was principal investigator of the Sub-millimeter Array, an eight-element linked interferometric array, built near the summit of Mauna Kea in Hawaii and used to study planetary atmospheres, star formation, quasars, dust and gas distribution in nearby galaxies, and spectral lines from highly redshifted galaxies. Prof. Moran served on the U.S. National Committee for the International Astronomical Union (Member; 01/01/2000 - 12/31/2002), the Astronomy and Astrophysics Survey Committee (Member; 08/03/1998 - 06/30/2002) and its Panel on Radio and Sub millimeter-wave Astronomy (Vice Chair; 11/13/1998 - 12/31/2001), the U.S. National Committee for the International Union of Radio Science (Ex Officio Member; 01/01/1991 - 12/31/1993), and CORF’s Subcommittee on Radio Astronomy (Member; 07/01/1984 - 06/30/1987). Dr. Moran is an NAS member.

Dr. Lee G. Mundy
University of Maryland, College Park

Dr. Mundy is Professor and Chair of the Department of Astronomy at the University of Maryland at College Park. He received his Ph.D. in Astronomy in 1984 from the University of Texas at Austin. Dr. Mundy studies the dense ISM, star formation and the initial stages of planet formation utilizing observations at centimeter through near infrared wavelengths and radiative transfer modeling tools. The observations are mainly acquired with the VLA and BIMA/CARMA millimeter array, and though a SIRTF legacy project which is mapping five major molecular clouds and over 100 compact cores. Dr. Mundy is also collaborating with NASA Goddard in studies of a number of mission concepts for submillimeter through near infrared wavelength space interferometers. Dr. Mundy has published extensively.

Dr. Timothy J. Pearson
California Institute of Technology

Dr. Pearson is a Senior Research Associate at Caltech. He received his Ph.D. from the University of Cambridge in 1977, after which he held a postdoctoral position at Caltech. He has been at Caltech since. Dr. Pearson’s research interests include statistics of radio sources, and radio interferometry and its application to observations of active galactic nuclei and the cosmic microwave background radiation. He uses radio telescopes at Cambridge, Owens Valley Radio Observatory, the National Radio Astronomy Observatory, and the Cosmic Background Imager in Chile. Currently he is an Associate Editor for the Monthly Notices of the Royal Astronomical Society.

Dr. Christopher Ruf
University of Michigan

Dr. Ruf is a Professor in the Department of Atmospheric, Oceanic, and Space Sciences and in the Department of Electrical Engineering and Computer Sciences at the University of Michigan. He is also Director of the Space Physics Research Laboratory. He received his Ph.D. in Electrical & Computer Engineering from the University of Massachusetts at Amherst. Dr. Ruf works in microwave radiometry, an important area of remote sensing and radio-frequency protection issues. His research interests include Earth environmental remote sensing, synthetic thinned aperture radiometry, mitigation of radio frequency interference, self-contained end-to-end radiometer calibration system, use of stationary statistical properties of upwelling radiances to constrain absolute accuracy and long term stability of satellite measurements, and profiling of lower, middle and upper atmosphere using multispectral, multisensor and climatological databases. Before his position at U. Michigan, Dr. Ruf was an Instrument Scientist for the NASA TOPEX Microwave Radiometer and a Science Team member of the NASA JASON-1 Microwave Radiometer and NPOESS Conical Microwave Imager/Sounder. He has received numerous awards, including the International Geoscience and Remote Sensing Symposium Prize Paper Award. Dr. Ruf is an Associate Editor of AMS Journal of Atmospheric and Oceanic Technology Associate Editor and IEEE Transactions on Geoscience and Remote Sensing, a member of URSI Commission F, and a past member of the NRC’s Committee on Radio Frequencies.

Dr. Frederick S. Solheim
Radiometrics Corporation

Dr. Solheim is President of Radiometrics Corporation, where he develops ground-based microwave radiometers for atmospheric and terrestrial remote sensing. Dr. Solheim was heavily involved with the development of the patented frequency-agile design that allows flexibility for a variety of atmospheric remote sensing applications used in the company’s radiometers. His research interests include microwave radiometry and radiosonding for profiles of temperature, water vapor, and cloud liquid. Dr. Solheim also conducts research in signal propagation. Previously, Dr. Solheim worked with the University Corporation for Atmospheric Research in Boulder, CO.

Dr. David H. Staelin
Massachusetts Institute of Technology

Dr. Staelin is Professor of Electrical Engineering in the Department of Electrical Engineering and Computer Science at the Massachusetts Institute of Technology. He has been a member of the EECS faculty and the Research Laboratory of Electronics since 1965. He also was Assistant Director, MIT Lincoln Laboratory (1990-2001); Co-founder, MIT Venture Mentoring Service (2000); Chairman, MIT's EECS Graduate Area in Electronics, Computers, and Systems (1976-1990); and a faculty member of MIT's Leaders for Manufacturing Program (1985-1998). He was a director of Environmental Research and Technology, Inc. (1969-1978), and co-founder and Chairman, PictureTel Corp. (1984-87). His research interests include remote sensing, wireless communications, signal processing, estimation, environmental sensing, microwave atmospheric sounding, and meteorological satellites. Dr. Staelin was a member of the President's Information Technology Advisory Committee (2003-05), Chairman of the NRC’s Committee on Radio Frequencies (1983-86), and a member of several NASA committees and working groups, including the Space Applications Advisory Committee; the Advanced Microwave Sounder Working Group; the Geostationary Platform -- Earth Science Steering Committee; and the Tropical Rainfall Measuring Mission Science Steering Group. He was Principal Investigator for the NASA Nimbus-E Microwave Spectrometer (launched 1972 on Nimbus 5), and the Scanning Microwave Spectrometer (launched 1975 on Nimbus 6). He was Co-Investigator of the Scanning Multichannel Microwave Spectrometer (1977 launch, Nimbus 7) and the Voyager Planetary Radio Astronomy Experiment (1977 launch, Voyagers 1 and 2). Additionally, he is a member of the NASA Atmospheric Infrared Sounder team (Aqua launch 2002), the NPP Science Team (launch ~2010), the NOAA IPO Sounder Operational Algorithm Team, and the NASA Precipitation Mapping Mission Science Team. He is a Fellow of the IEEE and AAAS, and received the 1996 Distinguished Achievement Award from the IEEE Geoscience and Remote Sensing Society.

Dr. Alan B. Tanner
Jet Propulsion Laboratory

Dr. Tanner is an engineer at the NASA Jet Propulsion Laboratory. He received his Ph.D. in 1989 in Electrical Engineering from the University of Massachusetts at Amherst. His research interests in include propagation, aperture synthesis, radiometers, and sounding. Dr. Tanner is involved in GeoSTAR, a microwave sounder intended for geosynchronous orbit.

Dr. Albin J. Gasiewski - (Co-Chair)
University of Colorado at Boulder

Dr. Gasiewski received his Ph.D. degree in electrical engineering and computer science from the Massachusetts Institute of Technology in 1989. Previously, he received the M.S. and B.S. degrees in electrical engineering and the B.S. degree in mathematics from Case Western Reserve University in 1983. From 1989 to 1997 he was faculty member within the School of Electrical and Computer Engineering at the Georgia Institute of Technology. As an associate professor at Georgia Tech, he developed and taught courses on electromagnetics, remote sensing, instrumentation, and wave propagation theory. From 1997 through 2005 he worked at the U.S. National Oceanic and Atmospheric Administration's (NOAA) Earth System Research Laboratory (ESRL), in Boulder, Colorado, where he was Chief of the Microwave Systems Development Branch of the ESRL Physical Science Division. In 2006 he joined the Department of Electrical and Computer Engineering of the University of Colorado at Boulder, where he directs the CU Center for Environmental Technology. His technical interests include passive and active remote sensing, radiative transfer theory and applications, electromagnetics, antennas and microwave circuits, electronic instrumentation, airborne sensors, meteorology, and oceanography. Dr. Gasiewski was the 2005-2006 President of the IEEE Geoscience and Remote Sensing Society and is the General Co-chair of IGARSS 2006 in Denver, Colorado. He is also a member of the International Union of Radio Scientists (URSI), where he currently serves as Vice Chair of USNC/URSI Commission F. He served on the U.S. National Research Council's Committee on Radio Frequencies (CORF) from 1989-1995 and the United States National Committee of URSI from 1996-1997.

Dr. Donald C. Backer
University of California, Berkeley

Dr. Backer is Professor of Astronomy and chairman of the Astronomy Department at the University of California, Berkeley. Prof. Backer received a Bachelor of Engineering Physics degree from Cornell University in 1966, a Master of Science degree in Radio Astronomy from Manchester University in 1968, and a Ph.D. in Astronomy from Cornell University in 1971. He spent two years as a postdoctoral research assistant at the National Radio Astronomy Observatory (NRAO) in Charlottesville, Virginia, and two years as an NRC Fellow at NASA’s Goddard Space Flight Center. Since 1975 he has been at the University of California at Berkeley. His past duties have included serving as Executive Officer, and later Chair, of the U.S. Very Long Baseline Interferometry (VLBI) network. More recently he has served on the Board of the Berkeley-Illinois-Maryland Association and the Visiting Committees of NRAO and Haystack Observatory and is currently on the Visiting Committee of the Arecibo Observatory serving as Chair. He chaired Commission J of the U.S. National Committee for the International Union of Radio Science during 1997-1999 and was an NRC ex-officio member. Prof. Backer’s research interests have focused on pulsars and active galactic nuclei. One research effort is the timing of an array of millisecond pulsars for use as celestial clocks. The long-term goal is setting limits on the gravitational wave background that may result from coalescence of massive black holes in distant galaxies. Short-term goals include investigation of small-scale turbulence in the interstellar plasma. He is involved with instrumentation for pulsar data acquisition at Arecibo, Green Bank, Effelsberg, and Nançay observatories. Another activity is focused on a deeper understanding of an enigmatic object in our galactic center, which may be the site of a massive black hole. VLBI observations at mm wavelengths are being pursued as well as proper motion measurements, as well as circular polarization. Dr. Backer is a past member of the NRC’s Committee on Radio Frequencies (former chair), the ALMA Review Committee, and the 1980’s Astronomy Survey Committee. He currently serves on the Committee on Astronomy and Astrophysics and the USNC URSI.

Dr. Aaron S. Evans
State University of New York at Stony Brook

Dr. Evans is an Associate Professor of Physics and Astronomy at SUNY Stony Brook. He received his Ph. D. in Astronomy from the Institute for Astronomy, University of Hawaii in 1996. His current research primarily deals with observations of colliding galaxies and their associated phenomena (starbursts and active galactic nuclei). The study of these galaxies requires a multi-wavelength approach, which to date has included optical to mid-infrared imaging, as well as near-infrared and (sub)millimeter spectroscopy. The observing facilities he uses to carry out these programs are the Mauna Kea Observatories in Hawaii (UH 2.2m, UKIRT, JCMT, Keck), the Hubble Space Telescope, the Owens Valley Millimeter Array in California, the Steward Observatory 12m telescope at Kitt Peak, Arizona, and the IRAM 30m telescope in Spain. Dr. Evans received a NASA/ASEE Faculty Fellowship Award in 2002, and chaired the National Science Foundation’s NRAO 5-Year Proposal Panel. He also served on the NRC’s Committee to Review the Science Requirements for the Atacama Large Millimeter Array.

Dr. Joel T. Johnson
The Ohio State University

Dr. Johnson is Professor of Electrical and Computer Engineering in the Department of Electrical Engineering at The Ohio State University. He received his Ph.D. in 1996 from the Massachusetts Institute of Technology. Dr. Johnson’s research interests include microwave remote sensing of geophysical media, both active and passive, application of numerical techniques in electromagnetics to remote sensing problems, and RFI mitigation. Dr. Johnson specializes in RFI mitigation for a variety of purposes, including microwave remote sensing. He is currently co-chair of the Frequency Allocations in Remote Sensing (FARS) Committee of the IEEE Geoscience and Remote Sensing Society, a committee whose mission is to provide technical assessments, guidance and recommendations regarding matters of frequency sharing and interference between remote sensing and other uses of the radio spectrum.

Committee Membership Roster Comments
Joel Johnson, The Ohio State University, added to the membership slate effective 02/15/2008.