Complex sentence: In 1911 Horatio Barber who was a founder member of the Royal Aero Club was given £100 for a commercial flight, not wanting to tarnish his amateur status he presented the money to the club for the trophy.
Split into simpler sentences: In 1911 Horatio Barber, who was a founder member of the Royal Aero Club, was given £100 for a commercial flight. Not wanting to tarnish his amateur status, he presented the money to the club for the trophy.