Archives at The Museum of Flight

Abstract Harold W. Zipp was an engineer at the Boeing Company for forty years. The collection documents his career, particularly his tenure in Wichita, Kansas, with diaries, photographs and other documents.

Abstract The Paul A. Ludwig Military Aviation Photograph Collection contains 2382 photographic prints and negatives with a very small amount of textual materials collected by Paul A. Ludwig and ranging from the late 1910s through the early 1980s. The bulk and strength of the collection is photographs of World War II-era aircraft and squadrons. The collection is nearly all copy prints from a variety of institutions and dozens of private collections.