Schreiber's historic flight is reported by most sources to have taken place in 1935,[2][3][4] specifically on September 6 or 7.
[1][5] Thomas Lippert of the Journal of Sports Philately stated the flight was on August 4, 1933.
[5] Schreiber received a gold medal for his flight at the 1936 Summer Olympics closing ceremony, and is the only person to have ever received an Olympic medal for aeronautics, since the prize was subsequently discontinued.
[5] Schreiber was the 1937 Swiss champion in gliding and set multiple national records in continuous flight.
[1] Schreiber worked as a military pilot, flight instructor and air crash investigation expert.