4) Rocky Mountain Spotted Fever: This disease is caused by a bacterium known as Rickettsia rickettsia. This disease is not transmitted directly from your pet to you, but rather by ticks that your dog may carry.
Home Johann Gutenberg Johann Gutenberg. Johann Gutenberg invented the printing press in the 1450's, and the first book to ever be printed was a Latin language Bible, printed in Mainz, Germany. Gutenberg's Bibles were surprisingly beautiful, as each leaf Gutenberg printed was later colorfully hand-illuminated.
Johannes Gutenberg: 15th century printing with type. 1452, Gutenberg conceives of the idea for movable type. The first to invent an effective casting of type and thus making an industry and change in European civilization. Gutenberg's major contribution to printing came while he was working as a goldsmith, back in Mainz.