Robert brothers
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Les Frères Robert were two French brothers. Anne-Jean Robert and Nicolas-Louis Robert were the engineers who built the world's first hydrogen balloon for professor Jacques Charles, which flew from cen
The world's first manned hydrogen balloon flight. 1783
The balloon built by Jacques Charles and the Robert brothers is attacked by terrified villagers in Gonesse.
Contemporary illustration of the first flight by Prof. Jacques Charles with Nicolas-Louis Robert, 1 December 1783. Viewed from the Place de la Concorde to the Tuileries Palace (destroyed in 1871)
Meusnier's dirigible
Jacques Charles
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Jacques Alexandre César Charles was a French inventor, scientist, and balloonist. Charles wrote almost nothing about mathematics, and most of what has been credited to him was due to mistaking him wit
Portrait by Adélaïde Labille-Guiard, c. 1798
