Born in Cambrai in 1872, dead in Paris in 1936, he is an engineer, industrialist and aviator who has built headlights and accessories for cars before being interested in research on the engines heavier than the air.

He built in 1905 two large sailplanes, then in 1907 his first monoplane with wings and propelled by an engine. The Duck would be destroyed while hooding. He tests then a plane with tandem wings, the Dragonfly, then a plane with ailerons and he did the first fly from city to city with this one. It is with a new monoplane, Blériot XI, that it will carry out the first crossing of the English Channel from Calais, July 25, 1909.

During the first World War, he will build the series of Spad on which Guynemer will be illustrated.

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