Walter Mittelholzer - Eine Schweizer Pioniergeschichte
- ବର୍ଷ: 2015
- ଦେଶ: Switzerland
- ଶ re ଳୀ: Documentary
- ଷ୍ଟୁଡିଓ:
- କୀ ଶବ୍ଦ |: africa, photography, switzerland, ethiopia, aviation, pioneer, airline, flight attendant, 1920s, 1930s, swissair, mittelholzer
- ନିର୍ଦ୍ଦେଶକ: Risa Chiappori
- କାଷ୍ଟ୍: Henry Wydler, Joe Bischofberger, Hugo Ruoss, Andreas Eppenberger, Robert Naville
