E.D. Hirsch, Jr., is an emeritus professor at the University of Virginia and the author ofThe Knowledge Deficit,The Schools We Need, and the bestsellingCultural Literacyand theDictionary of Cultural Literacy. He and his wife, Polly, live in Charlottesville, Virginia, where they raised their three children. Linda Bevilacqua is the president of the Core Knowledge Foundation and was responsible for the development of the Core Knowledge preschool program that is now being used in over 1,200 preschool classrooms across the country. She and her husband, Jean-Jacques, live in Charlottesville, Virginia.Core Knowledge Foundation is the author of 'What Your Preschooler Needs to Know', published 2008 under ISBN 9780385341981 and ISBN 0385341989.