World Book Advisory Board

Mary Alice Anderson, B.S., M.A. Media Specialist, Winona Middle School, Winona, Minnesota, United States

Chris Dede, B.S., Ed.D., Timothy E. Wirth Professor of Learning Technologies, Graduate School of Education, Harvard University, Cambridge, Massachusetts, United States

Lynn Fontana, B.A., M.Ed., Ph.D. Vice President of Education, Nobel Learning Communities, Inc., Media, Pennsylvania, United States

K. N. Panikkar, M.A., Ph.D. Vice Chancellor, Sree Sankaracharya University, Ernakulam (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; Visiting Professor, University of Southampton, Southampton, England

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, 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, University of Pennsylvania, Philadelphia, Pennsylvania, 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

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

Marilyn Stokstad, B.A., M.A., Ph.D. Judith Harris Murphy Distinguished Professor of Art History, University of Kansas, Lawrence, Kansas, United States

World Book Electronic Products Group

Garrett Ellison, Director and Executive Producer

D. Leigh Daeuble, Manager, Database Production

Rob Carlson, Senior Producer

Adam Zoghlin, Producer

Susan E. Ryan, Production Coordinator

World Book, Inc.

Executive Committee

Robert C. Martin, President

Michael Ross, Executive Vice President, Publisher

Robert Hall, Vice President, North American Sales

Robert Buck, Vice President, Eastern Region North American Sales

Don Keller, Vice President, Chief Fincial Officer

Editorial

Dale W. Jacobs, Editor in Chief, World Book

Howard Timms, Online Editorial and Media Director

Managing Editors

Sara Dreyfuss

Warren Silver

Assistant Managing Editors

Timothy Falk

Michael B. Schuldt

International Assistant Managing Editor

Lloyd Lindo

Global Development Manager

Sarah Bright

Subject Editors

Brad Finger

Nicholas Kilzer

Barbara Lanctot

Mike Lewis

Jay Myers

Michael Noren

Jay Powers

Thomas J. Wrobel

Daniel O. Zeff

Media Editor

Anne Mrozek

Production Editors

Megan Caras

Julie Glassman

Dawn Krajcik

Daniel J. Marotta

Cortez McKinney

Janet Moore

Alana Papernik

John Stowe

Indexing Services

David Pofelski, Head

Tina Trettin

Statistical Services

Ken Shenkman, Head

Cartographic Services

H. George Stoll, Head

Wayne K. Pichler, Manager, Cartographic Database

Kari Burnett, Staff Cartographer

Research Services

Paul A. Kobasa, Executive Director, Research Services and Product Development

Madolynn Cronk

Lynn Durbin

Cheryl Graham

Karen A. McCormack

Andrew Roberts

Loranne K. Shields, Manager, Research Services

Thomas Ryan Sullivan

Library Services

Jon Fjortoft, Head

Permissions

Janet T. Peterson

World Book Online Supplements

Darlene Stille, Editor in Chief

Managing Editors

David Dreier

Scott Thomas

Jennifer Parello

Senior Editors

Al Smuskiewicz

Kristina Vaicikonis

Staff Editors

Dan Blunk

Tim Frystak

Tabitha Hostetler

Anne Marie Pecha

Art

Roberta Dimmer, Executive Director

Robert Coddington

Don DiSante

Sandra M. Dyrlund

Melanie J. Lawson

Sylvia Ohlrich

Isaiah W. Sheppard

Wilma Stevens

John Whitney

Production

Manufacturing/Pre-Press

Carma Fazio, Director, Manufacturing and Pre-Press

Audrey Casey, Production Manager

Debra Gill, Production Coordinator

Janice Rossing, Senior Production Manager

Steven Hueppchen, Assistant Manufacturing Manager

Proofreaders

Anne Dillon

Chad Rubel

Marketing

Dawn M. Albin, Online Marketing Representative

Julie Connors, Marketing Research and Development Manager

Luke Haddock, Designer

Laura Lynn, Marketing Implementation Manager

Chris Senger, Marketing Coordinator

Support Staff

Rose M. Barberio

Teresa Dunne

Curley Hunter

Gwendolyn Johnson

Carmen Jusino

Ethel Matthews

Crystal Wells

VANTEON

Testing and Quality Control

Roger Proctor - Project Leader

Sara Wendell

Tanya Royer

Bob Chapman

Applied Research Associates, Inc.

Various simulations created by Applied Research Associates, Inc.

Robert H. Sues, Ph.D., Project Manager, Technical Design

Graham S. Rhodes, Project Manager, Lead Software Engineer

Steven L. Butler, Lead Artist

K. Kanchana

Peter R. Montpellier

Mark D. Smith

Mitchel S. Soltys

Andrew C. Steckley, Ph.D.

Mao Kang Su, Ph.D.

Rodney L. Walker

Dirk B. Warnaar, Ph.D.

HeLai Yao, Ph.D.

Sparrow Sound Design

Audio recording, editing, conversion, and compression provided by Sparrow Sound Design

Bradley Parker-Sparrow, audio editing and conversion

Todd A. Carter, audio recording, editing, and compression

Fagan Productions Limited

Production of poetry recordings provided by Paul Fagan of Fagan Productions Limited.

Peak Image Communications, Inc.

Audio and video compression and 3D animations provided by Peak Image Communications, Inc.

Ken Jerome, video compression

Dan Swartz, media coordination

Eric Sherpan, 3D animation

Tom Hepburn, 3D animation

Brian Basilico, audio recording and compression

Various animations created by Engineering Animations, Inc.