E Wright Bros, Orville and Wilbur, worked on the idea at several locations where they worked and lived. The first successful flight was at their location in Kittyhawk North Carolina. Click on a star next to the words RATE THIS ANSWER, it would help me out thanks...*p
It was first designed on paper by leonardo davinci. But the first actual prototype was built by orville and wilbur wright in dayton ohio and they first flew it in kitty hawk north carolina. Tht's why ohio auto registration plates say "birthplace of flight" and north carolina plates say "first in flight".