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Montgolfier brothers
Joseph-Michel Montgolfier (26 August 1740 – 26 June 1810) and Jacques-Étienne Montgolfier (6 January 1745 – 2 August 1799) were the inventors of the montgolfière, globe airostatique or hot air balloon. The brothers succeeded in launching the first manned ascent to carry a young rephysician and an audacious army officer into the sky. They were later ennobled with their father and brothers and sisters as de Montgolfier
The brothers decided to make a public demonstration of a balloon in order to establish their claim to its invention. They constructed a globe-shaped balloon of sackcloth with three thin layers of paper inside. The envelope could contain nearly 790 m³ (28,000 cubic feet) of air and weighed 225 kg (500 lb). It was constructed of four pieces (the dome and three lateral bands), and held together by 1,800 buttons. A reinforcing "fish net" of cord covered the outside of the envelope.

On 4 June 1783, they flew this craft as their first public demonstration at Annonay in front of a group of dignitaries from the Etats particulars. Its flight covered 2 km (1.2 mi), lasted 10 minutes, and had an estimated altitude of 1.600 - 2.000m (5,200 - 6,600 ft). Word of their success quickly reached Paris. Etienne went to the capital to make further demonstrations and to solidify the brothers' claim to the invention of flight. Joseph, given his unkempt appearance and shyness, remained with the family. Etienne was the epithome of sober virtues ... modest in clothes and manner... He was dressed stylishly in black.

Reference : From Wikipedia