Contents of the Collection The Robert W. Radoll Early Aviation Collection documents the professional and personal life of early aviator and airmail pilot Robert W. Radoll from circa 1920 to 1933. The collection consists of textual material, such as correspondence, clippings, and logbooks; as well as a total of 138 photographs. It is divided into two main series: Professional and Personal.The Professional series has been further divided into subseries: Barnstorming, Northwest...