The Wrights built the aircraft in 1903 using 'giant spruce' wood as their construction material.
Soon after the commission for the administration building, Johnson commissioned Wright to build him a home on nearby farmland.
The Wrights built a wind tunnel and tested various wing designs.
Wright built the Roberts House in 1908 for his secretary and bookkeeper, a woman of modest means who couldn't even afford a garage.
In 1868 Wright built a second sternwheeler to was augment the service of the Enterprise.
"Wright never built a roof that doesn't leak," she said.
Wright also built a reconstruction of the sundial.
The similarities suggest that Wright, a real estate speculator, may have built all three other houses as well.
Between 1899 and 1909 Wright built more than 100 projects, many of them outright masterpieces.
Wright built a vessel, the St George, to bring the war to the French.