Nelly Hedwig Diener (5 February 1912 â 27 July 1934) was a Swiss flight attendant. She was the first female flight attendant in Europe.
Diener started flying for Swissair on 1 May 1934 and became known as the ("Angel of the Skies"). She died in the 1934 Swissair Tuttlingen accident, along with the other two crew members and nine passengers.