Jesuit scientist, born Geisa, 1601; died Rome, Italy, 1680. The results of his important studies of the volcanoes of Etna, Stromboli, and Vesuvius, were published in "Mundus Subterraneus," a valuable contribution to the explanation of subterranean forces. His collections of antiquities and ethnological remains were the foundation for the Museum Kircherianum in the Roman College. A pioneer in the science of deciphering hieroglyphics, he furthered the study of comparative philology. He also perfected the speakIng tube and the AEolian harp, and invented the magic lantern.