What privately financed project was led my Andre Borscheberg, Bertrand Piccard, and Brian Jones?
Bertrand Piccard: Bertrand Piccard (born 1 March 1958) is a Swiss psychiatrist and balloonist. Bertrand Piccard:  Along with Brian Jones, he was the first to complete a non-stop balloon flight around the globe, in a balloon named Breitling Orbiter 3. Solar Impulse:  The Solar Impulse project's goals were to make the first circumnavigation of the Earth by a piloted fixed-wing aircraft using only solar power and to bring attention to clean technologies.
i don't know