Charles Renard Charles Renard (Damblain, Vosges, 1847 - Meudon, 1905) was a French military engineer who engaged in the design of airships by the French Army in the aviation department after the French-German War of 1870-71. < / p>
Together with Arthur C. Krebs and his brother Paul, he built the controlled warballon La France, which made its first flight in 1884, in 1884, the La France was presented in 1889 at the Paris Exposition Universelle.
He also proposed a widely used system of preferred numbers later named after him, the system was later incorporated into the ISO-3 international standard. It helped the French army reduce the number of balloon balls in the stock from 425 to 17. From 1884 France
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