Written and produced by the Education Division and Web Team at the National Gallery of Art, Washington, DC. Developed and designed by Second Story Interactive Studios, Portland, Oregon.

Counting on Art
Written by Sara Mark Lesk
Based on lesson plans created by Judith Koenig (Nevin Platt Middle School, Boulder, CO), Elizabeth Davis (Clover Hill High School, Midlothian, VA), and Gail Englert (Sewells Point Elementary School, Norfolk, VA)

Special thanks to the coordinators, mentors, and participants of the Cyber Odyssey Summer Teacher Institutes and to the content and image editors: Iris Hoener, Ellen Wickersham, Michelle Lipson, Maggy Sterner, Nicole Cunningham, and Ira Bartfield.