History of Aerial Photography
	1840 Idea of using photography for topographic surveying 1858 First known aerial photograph taken in a hot air balloon by Parisian photographer Felix Nadar 1860 James Wallace black photographs Boston from a hot air balloon - this is the oldest surviving aerial photograph known to exist 1903 Julius Neubronne patents a breast-mounted camera for pigeons to take aerial photography 1906 Albert Maul uses a rocket powered by compressed air to loft a camera which then parachutes back to earth George Lawrence uses a string of kites to lift a handmade panoramic camera aloft showing the 1906 San Francisco Earthquake 1909 Wilbur Wright becomes the first man in remote sensing history to take photographs from an airplane. 1918 Military begins using aerial photography. French units print as many as 10,000 photographs a night during periods of peak activity 1934 The American Society of Photogrammetry founded to advance the field of aerial photography 1957 Russia launches Sputnik, the first satellite, marking the beginning of satellite imagery 1970s First of the Landsat satellites was launched by NASA in 1972. The Landsat program in the '70s and '80s began selling satellite imagery commercially for the first time.