Abstract Julius A. Barr had a varied flight career in the 1920s and 1930s, notably spending time as a personal pilot to Chinese military figures and later working as a Boeing test pilot. The collection includes 5 albums with more than 1,600 photographs and 11 films that document his personal life and career.

Abstract James D. Griffin was an engineer for McDonnell Douglas Corporation. The collection contains five hundred and ninety-six (596) photographs, likely collected and notated by Griffin, featuring primarily Douglas Aircraft Company airplanes manufactured during the 1910s-1970s but also, to a lesser extent, other manufacturer models; including Aero Spacelines, Boeing, Consolidated, and Northrop. There is also a small amount of clippings, newsletters, and articles.