World Book Editorial Advisory Board
Mary Alice Anderson, B.S., M.A.
Lead Media Specialist, Winona Area Public Schools, Winona, Minnesota, United States
Chris Dede, B.S., Ed.D.
Timothy E. Wirth Professor of Learning Technologies, and Chair, Learning and Teaching, Graduate School of Education, Harvard University, Cambridge, Massachusetts, United States
Lynn Fontana, B.A., M.Ed., Ph.D.
Executive Vice President of Education, Nobel Learning Communities, Inc., Media, Pennsylvania, United States
K. N. Panikkar, M.A., Ph.D.
Vice Chancellor, Sree Sankaracharya University, Kalady, Kerala, India
Sir William Taylor, C.B.E., B.Sc.Econ., Ph.D., LL.D., D.Sc., Ed.D., D.C.L., D.Litt., D.Soc.Sc. (Ed.), D.Univ., F.C.P.
Honorary Fellow and Former Director, University of London Institute of Education, London, England, United Kingdom; Visiting Professor, University of Southampton, Southampton, England, United Kingdom
Scott L. Waugh, B.A., Ph.D.
Dean of Social Sciences and Professor of History, University of California, Los Angeles, California, United States
World Book Editorial Consultants
David J. Bercuson, B.A., M.A., Ph.D.
Professor of History, University of Calgary, Calgary, Alberta, Canada
Marianna Anderson Busch, B.A., Ph.D.
Professor and Chair, Department of Chemistry, Baylor University, Waco, Texas, United States
Anne Innis Dagg, B.A., M.A., Ph.D.
Academic Adviser, Independent Studies, University of Waterloo, Waterloo, Ontario, Canada
Jesus Garcia, M.A., Ed.D.
Professor of Curriculum and Instruction, University of Kentucky, Lexington, Kentucky, United States
Marc B. Garnick, M.D.
Professor of Medicine, Harvard Medical School, Harvard University, Boston, Massachusetts, United States
Michael F. Graves, B.A., M.A., Ph.D.
Professor and Head of Literacy Education, University of Minnesota, Twin Cities Campus, Minneapolis, Minnesota, United States
Alan E. Mann, B.A., M.A., Ph.D.
Professor of Anthropology, Princeton University, Princeton, New Jersey, United States
Adrian Mitchell, B.A., M.A., Ph.D.
Associate Professor, Department of English, University of Sydney, Sydney, New South Wales, Australia
Jay M. Pasachoff, A.B., A.M., Ph.D.
Field Memorial Professor of Astronomy and Director, Hopkins Observatory of Williams College, Williamstown, Massachusetts, United States
Michael Plante, Ph.D.
Jesse J. Poesch Professor of Art History, Newcomb Art Department, Tulane University, New Orleans, Louisiana, United States
Robert B. Prigo, B.S., M.S., Ph.D.
Director of Teacher Education and Professor of Physics, Middlebury College, Middlebury, Vermont, United States
Michael Seidel, B.A., M.A., M.Phil., Ph.D.
Professor, Department of English and Comparative Literature, Columbia University, New York, New York, United States
Whitney Smith, A.M., A.B., Ph.D.
Director, The Flag Research Center, Winchester, Massachusetts, United States
Ivan Soll, A.B., Ph.D.
Professor of Philosophy, University of Wisconsin-Madison, Madison, Wisconsin, United States
President and Publisher
Robert C. Martin
Project Content Team
Managing Editor
Howard Timms
Assistant Managing Editor
Tim Falk
International Editor
Lloyd Lindo
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Jennifer Parello
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Tina Trettin
Production Editors
Cortez McKinney
Alana Papernik
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Melanie J. Bender
Editorial
Editor in Chief
Dale W. Jacobs
Managing Editor
Paul A. Kobasa
Managing Editors
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Warren Silver, Current Revision
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Michael B. Schuldt
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Sarah Bright
Brad Finger
Nicholas Kilzer
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