Who among the following is credited with the invention of the printing press?

The correct option is Johann Gutenberg.

Step-by-step Explanation:

1. The Inventor and the Invention: Johann Gutenberg, a German goldsmith and publisher, is credited with the invention of the movable-type printing press in Europe around 1440. His system mechanized the transfer of ink from movable type to paper, revolutionizing how books were produced.

2. Key Innovations:
- Movable Metal Type: Gutenberg created an alloy of lead, tin, and antimony that melted quickly and resisted wear, allowing for the creation of durable, uniform letter pieces.
- Oil-Based Ink: He developed a thick, oil-based ink that adhered to the metal type much better than traditional water-based inks.
- Wooden Screw Press: He adapted the mechanical design of agricultural screw presses (used for pressing wine and olives) to apply uniform pressure onto paper.

3. Historical Impact: Prior to Gutenberg's invention, books had to be copied by hand or printed using woodblocks, which was extremely labor-intensive and expensive. The printing press made books affordable and widely accessible, sparking the Printing Revolution and accelerating the spread of scientific, political, and religious knowledge throughout Europe.

4. Analysis of Other Options:
- Leonardo da Vinci was an Italian polymath and artist famous for his paintings (like the Mona Lisa) and visionary conceptual designs, but he did not invent the printing press.
- Galileo Galilei was an Italian astronomer and physicist who made pioneering telescope observations and championed heliocentrism.
- Isaac Newton was an English mathematician and physicist who formulated the laws of motion and universal gravitation.