Lesezeit: 4 Min. To this day, Walter Mittelholzer (1894–1937) is famous as a pilot, a cofounder of Swissair… Read moreNew illustrated book on Walter Mittelholzer’s Africa flights: “Walter Mittelholzer Revisited”
Lesezeit: 10 Min. ETH-Bibliothek’s Image Archive conducted its first successful crowdsourcing project between 2009 and 2013. Former Swissair… Read moreSwissair volunteers at ETH-Bibliothek’s Image Archive
