Wilbur Wright, age 38, 1905.

 Orville Wright, age 34, 1905.

 Orville Wright with Major John F. Curry, and Colonel Charles Lindbergh, who came to pay Orville a …

Orville Wright, Major John F. Curry, and Colonel Charles Lindbergh who came to pay Orville a persona…

 Close-up view of airplane pilot and passenger seats 1911.

 Close-up view of airplane, including the pilot and passenger seats, 1911.

Right front view of Wright Glider in flight, 1911.

Glider after flight at Kitty Hawk, North Carolina, 1911.

 Group portrait in front of glider at Kill Devil Hill, 1911.

 Glider being prepared for flight by Orville and assistants, a number of reporters stand off to the…

 Close-up view of rudders and elevator of glider in front of the camp building at Kitty Hawk, North…

 Front view of the Wright Glider in front of camp at Kitty Hawk, North Carolina, 1911.

 Kill Devil Hill, where the first gliding experiments were conducted by the Wright brothers in 1900…

 Three-quarter left rear view of Orville Wright flying the Wright Glider over Kitty Hawk, North Car…

 Left rear view of Orville Wright flying the Wright Glider over Kitty Hawk, North Carolina. Atlanti…

 Rear view of Orville Wright flying the Wright Glider over Kitty Hawk, North Carolina, 1911.

 Left rear view of Orville Wright flying glider at a low altitude, showing the fixed vertical fin a…

 Series of flights from May through July, just after the opening of the Wright Flying School, proba…

 Just after the opening of the Wright Flying School, Orville Wright flying and acting as instructor…

 Exterior view of the Wright Company factory; Dayton, Ohio 1911.

 Wilbur Wright working in the bicycle shop, 1897.