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History of Motion Pictures
very much like those presented by the more modem magic lantern of today. But he also showed in his book Ars Magna Lucis et Umbre (The Great Art of Light and Shade) a method of changing from picture to picture by the use of a revolving drum. He approached closely an understanding of the optical illusion which is the foundation of the motion picture, but his goal was not quite achieved.
The inventions and discoveries available today wrere unknown to Kircher, but to him came one of those flashes of inventive prevision without which we would not have our remarkable, mechanical world of today. Kircher lit a small match which became the blazing conflagration which is the modem motion picture. What would the world have done without its Kircher; without its Watt, discovering the principle of the steam engine from the action of a tea kettle on a table in his English home; without Franklin, who with his kite and his metal key brought electricity from the lightningstreaked heavens?
Every industry of today has its imposing biography of genius. Ford, Chalmers, and Kettering are but a few names along the highroad which led to the 1937 automobile. Edison, Steinmetz, and Marconi wTe recognize as leaders in the field of electrical science.
In equal measure the motion picture has its parade of genius. After Kircher the next genius of great importance to emerge was Peter Mark Roget, author of the widely used Roget's Thesaurus. But Roget was also a scientist and in 1824 he appeared before the Royal Society in London and read a paper entitled
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