| Jacques and Étienne Montgolfier
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![[Hot air ballon]](https://dev.freemasonry.bcy.ca/biography/images/montgolfier.gif) |
Joseph-Michel Montgolfier August 26, 1740 – June 26, 1810 Jacque-Étienne Montgolfier January 6, 1745 – August 2, 1799 Two of sixteen children of a prosperous French paper manufacturer, Joseph and Étienne Montgolfier mounted the first public demonstration of a hot air balloon on June 4, 1783. They repeated the experiment on November 21, 1783, with the first manned unteathered flight travelling 9 kilometres in about 25 minutes. Honoured by the French Académie des Sciences, they published books on aeronautics. Joseph invented a calorimeter and the hydrolic ram, and Étienne developed a process for manufacturing vellum. Initiated: 1806, 1784 Loge des Neuf Soeurs, Paris |
 Collage from miniatures on ivory, in the Musée Carnavalet, Paris.
Cited in American Mason. Andrew Boracci, ed.. Sag Harbor, NY. 1997- <aboracci@optonline.net Also see Denslow. |
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