The printing press was invented by Johann Gutenberg, a German goldsmith, around 1448. He created the movable-type printing press, which allowed for the rapid and cheap production of books by using movable blocks of letters and graphics. This invention is considered one of the most important in history because it made books accessible to ordinary people and revolutionized the spread of knowledge. Gutenberg used a combination of metal types cast from an alloy of lead, tin, and antimony, an oil-based ink, and a modified wine press to print. His printing press greatly increased the speed of printing and reduced the cost compared to previous methods like hand-copying or block printing. The impact of Gutenberg's press led to significant cultural and intellectual movements including the Renaissance and Reformation.