Mary Borg teaches American history and Colorado history classes at the University of Northern Colorado in Greeley, where she also supervises student teachers in social studies and history.William Virden was the Instructional Director for two Teaching American History Grants that work to improve the teaching of U.S. history in Colorado schools.Virden is a graduate of Colorado State University and has over eighteen years of experience teaching at the college level. He was twice named Outstanding Instructor at the University of Northern Colorado and is listed in the Who's Who of American Teachers.