Life: December 27, 1773 - December 15, 1857
Birthday: December 27
Death: December 15
I am well convinced that Aerial Navigation will form a most prominent feature in the progress of civilization.
source: Sir George Cayley (1933). “Aeronautical and miscellaneous note-book (ca. 1799-1826): of Sir George Cayley”
topic: Airplane, Civilization, Progress, Navigation, Prominent