Christine D. Clayton (Ed.D., Teachers College, Columbia University) is Associate Professor of Education at Pace University in Pleasantville, New York. She utilized inquiry as a high school history teacher and then engaged in collaborative inquiry with in-service and pre-service teachers through professional development. James F. Kilbane, Jr. (Ph.D., Indiana University) is Clinical Associate Professor of STEM Education at Cleveland State University. He began using inquiry as a middle school teacher. He has deepened his understanding by helping practicing teachers and pre-service teachers inquire for themselves and with their students.