Author Monographs Research and best practices in English Language Arts and English Language Development are the foundation for our National Geographic Learning programs. Learn more about what our experts say in these whitepapers and monographs by our program authors. Dr. Catherine L. Quinlan Dr. Catherine Workman Dr. Randy Bell Dr. Sylvia Linan-Thompson Deborah Short, Ph.D. Alfred W. Tatum, Ph.D. Andrew J. Milson Dr. David W. Moore Janet Smith Jennifer D. Turner, Ph.D. Dr. Josefina Villamil Tinajero Dr. Judith Lederman Dr. Kathy Cabe Trundle Dr. Malcolm Butler Dr. Mark Bockenhauer