William C. Kashatus, a professional historian and writer, is former Director of Educational Programs at Chester County Historical Society, West Chester, Pennsylvania, where he curated the nationally recognized exhibit Just over the Line: Chester County and the Underground Railroad. He taught history for fifteen years in Philadelphia schools, including Abington Friends School, The Episcopal Academy, and the William Penn Charter School. He is the author of more than 250 essays in major periodicals and has written 16 books, including Past, Present, and Personal: Teaching Writing in U.S. History (Heinemann, 2002).