member of the board of AURA. He received his Ph.D. in astronomy from the California Institute of Technology (Caltech). Dr. Alcock’s previous NRC membership includes the Committee on Astronomy and Astrophysics, the Panel to Review Terrestrial Planet Finder Science Goals, and the Panel on Theory and Computation in Astronomy and Astrophysics.

RACHEL BEAN is an associate professor in the Department of Astronomy at Cornell University. Her earlier work focuses on cosmological theories and how they can be constrained using observations such as the cosmic microwave background (CMB) and large scale structure data (galaxies and clusters of galaxies). Her current research includes work to establish the nature of dark energy and dark matter and how observations can be used to distinguish between competing theories. She is also interested in the application of high-energy particle theory to understanding how initial conditions for seeding structure were established in the early universe. She is a member of the WFIRST Science Definition Team. She received the Affinito-Stewart Award from the President’s Council of Cornell Women, the NASA Group Achievement Award for WMAP, and the Cottrell Scholar Award from the Research Corporation. Most recently, Dr. Bean is a recipient of the 2010 Presidential Early Career Awards for Scientists and Engineers through the NSF. She earned her Ph.D. in physics from Imperial College, University of London. Dr. Bean previously served as a member on the NRC Astro2010 Panel on Cosmology and Fundamental Physics.

CHARLES L. BENNETT (NAS) is the Alumni Centennial Professor of physics and astronomy and Gilman Scholar at Johns Hopkins University. Dr. Bennett’s research interests include experimental cosmology and astrophysical instrumentation. He was the PI for the WMAP mission, which quantitatively specified the age, content, history, and other key properties of the universe with unprecedented precision. Previous to his work on WMAP, Dr. Bennett was the deputy PI of the Cosmic Background Explorer (COBE) Differential Microwave Radiometers instrument. He is also the PI for the Cosmology Large Angular Scale Surveyor (CLASS) ground-based experiment. Dr. Bennett received the Shaw Prize, the Comstock Prize in Physics, the Harvey Prize, the Henry Draper Medal, and he shared the Gruber Prize in Cosmology. From 1984 to 2005, Dr. Bennett was an astrophysicist at the NASA Goddard Space Flight Center, where he won the NASA Outstanding Leadership Medal and twice won the NASA Exceptional Scientific Achievement Medal. Dr. Bennett is a member of the American Academy of Arts and Sciences and a fellow of the American Association for the Advancement of Science (AAAS) and APS. Dr. Bennett received his Ph.D. in physics from the Massachusetts Institute of Technology. Dr. Bennett’s previous NRC service includes the Committee on Astronomy and Astrophysics, the Space Studies Board, the NASA Astrophysics Performance Assessment (NAPA) Committee, and the Committee on Assessment of Impediments to Interagency Cooperation on Space and Earth Science Missions.

ROMEEL DAVÉ is an assistant professor of astronomy at the University of Arizona. His work centers on using cosmological hydrodynamic simulations to understand galaxy formation and intergalactic medium evolution within a hierarchical structure formation context, focusing on constraining models through detailed comparisons versus multiwavelength observations. After completing his doctorate, Dr. Davé became a Lyman J. Spitzer Fellow at Princeton University and then he was a Hubble Fellow at the University of Arizona. He joined the faculty at the University of Arizona in 2003. He has a broad range of additional research interests, including constraining cosmological parameters, the epoch of reionization, the nature of dark matter, the stellar initial mass function, and numerical hydrodynamics. He is on the board of the Arizona Theoretical Astrophysics Program and the Arizona High Performance Computing Committee and has served on various ground- and space-based telescope time-allocation committees. Dr. Davé received his Ph.D. in astronomy from University of California, Santa Cruz. He previously served as a member on the NRC’s Astro2010 Panel on Galaxies Across Cosmic Time.

ALAN DRESSLER (NAS) is an observational astronomer at the Observatories of the Carnegie Institution. His principal areas of research cover the formation and evolution of galaxies and the study of

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