Oral history interview with Lynne Reid, M.D., S. Burt Wolbach Distinguished Professor of Pathology at Children's Hospital. Early in her career in England, Dr. Reid's discoveries in lung maturation and in respiratory diseases led to the development of a method for measuring lung hypertrophy known worldwide as the Reid Index. In 1974, Dr. Reid accepted an invitation to move her research team to Boston where she accepted a position as Pathologist-in-Chief of Children's Hospital. In this video, Dr. Reid explains how research breakthroughs in her laboratories lead to improved treatment of respiratory diseases in children.