Producer/Writer:
Paula Willard
Writers:
Lara Bogle, Robin Currie
Text Editors:
Ted Chamberlain, Nancy Gupton
Researcher:
Marguerite DeLaine
Editorial Assistant:
Kristen Podolak
Assets Acquistion:
Maureen Dilg, Emily Murphy, Anthony Watts
Rights Clearance:
Desiree Martin, Katy Wogec
Engineers:
John Ousey, Alexis Sainz
Quality Assurance:
Ben Azzara, Laura Howden, Linda Rinkinen
SPECIAL THANKS:
Allen Carroll, Ford Cochran, National Geographic Education Foundation, Erica Immuci, Micki Laws, Ellen Stanley, Shannon Sullivan, Lisa Truitt, Karla Tucker
Dedicated to the memory of Joe Ferguson and Stephen Ambrose
