Terrill Jennings, Ed.M., is a founding teacher of Landmark School and has taught students with language-based learning disabilities since 1970. Trained at Harvard Graduate School of Education in its Reading Program, she co-founded Landmark's Expressive Language Program and is the Head of the Language Arts Department at Landmark's Elementary and Middle School. She has conducted teacher-training workshops across the United States and in Japan. Mrs. Jennings and Dr. Haynes authored "Thematic Instruction: A Primer for Teachers" (1992, Landmark Foundation) which was translated into Japanese in 1995 (Muta: Tuttle Press).

Charles Haynes, Ed.D., taught at the Landmark School for fourteen years as a literacy tutor, a speech-language therapist, and Coordinator of Landmark's Oral Expression Program. Dr. Haynes has given teacher-training workshops and research lectures throughout the United States and in Canada, Japan and Brazil. He serves on the Board of Directors of the International Dyslexia Association. He received his doctoral degree from Harvard University's Reading, Language and Learning Disabilities Program. He is now an Associate Professor and Clinical Supervisor in the Graduate Program in Communications Sciences and Disorders at the MGH Institute of Health Professions in Boston. This master's program, influenced by the same research and Landmark experiences that shaped this book, offers dual teacher certification in speech-language and reading.