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-style hot air balloon , globe aérostatique .
Joseph-Michel Montgolfier ( 26 August 1740 -- 26 June 1810 ) and Jacques-Étienne Montgolfier ( 6 January 1745 -- 2 August 1799 ) were the inventors of a type of hot air balloon .