Earl I. Sponable was a chemist, Chief Engineer and Director of Research for Twentieth Century-Fox Film Corporation and its subsidiaries, 1926-1962. He was active in many aspects of research and development in broadcast and movie media, particularly in early sound film.
This collection, representing Hildburgh's student days at Columbia University, contains student records, class memorabilia, notebooks of electrical engineering experiments, projects, and research for his bachelor's and master's theses.