Henri Giffard (1825-1882), French engineer. Giffard was the inventor of the injector, a device to convert pressure into velocity. The initial applicat
Henri Giffard (1825-1882), French engineer. Giffard was the inventor of the injector, a device to convert pressure into velocity. The initial applications for injectors were in steam engines and boilers, though the same basic principle was later applied in other devices. Giffard is also famous for his flight in a steam-powered airship that he designed. Giffard flew his airship from Paris to Trappes on 24 September 1852, covering a distance of 27 kilometres. He was awarded the Legion of Honour in 1863. Giffard committed suicide in 1882. Artwork from the third volume (first period of 1889) of the French popular science weekly 'La Science Illustree'.
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