Wilbur and Orville Wright
One big idea that Wilbur and Orville wright did as aviators was how they invented the fist plane heavier than air. One contribution that the wright brothers made was how much research they made and how they invented the first plane heavier than air.If the wright brothers hadn't lived than there may have not been such thing as the airplane.
Inferences (Author and you)
Wilbur and Orville Wright entered the flying industry because they enjoyed flight when they were younger .The reason that Wilbur and Orville Wright are famous is because they invented the first plane heavier than air and they also received many awards and medals for that.Otto Lilienthal was the wright brothers inspiration .They studied many of his kites and his gliders .Since they saw him doing that they thought that they could do something bigger and better.
If Wilbur and Orville Wright didn't live than there may have not been such thing as the airplane .If there wasn't such thing as the plane then it would't be as easy and safe to travel without one.
Wilbur: "It is possible to fly without motors but is not without Knowledge and skill."
Orville:"The airplane stays up because it doesn't have time to fall."