Banker turned... time-lapse photography pioneer? This time-lapse cinematographer, medical researcher and inventor designed and built time-lapse equipment, showcasing his photography techniques in the 1950s film "Dancing Flowers" and the 1956 Walt Disney documentary "Secrets of Life"; as a medical researcher, he explored how human and animal health as well as plant growth could be effected by color temperature; his time-lapse adventures are recorded in his 1958 memoir, "My Ivory Cellar." Item #28251
TLS, 1p, 8½" X 11", Winnetka, IL, 1948 January 26. Addressed to noted Lincoln and Civil War scholar ARNOLD F. GATES (1914-93). Near fine. On "phototronics inc" letterhead, Ott chats with one of the earliest admirers of his work: "I... am glad to hear you found the Popular Mechanics article interesting and like this type of work. I have a number of assistants helping me at the present time, but as our organization is growing rapidly, I anticipate needing additional help before too long. I will be glad to have you give me a little more of your background, particularly concerning photography...." Bold full signature. Early and unusual and rather uncommon!