It would be "Johannes Kepler" who was an <span>astronomer during the Renaissance, although it should be noted that there were many people during this time who were interested in space. </span>
Johan Gutenberg invented the printing press that helped people learn from the Bible because there was once a time that not all can read it. Some religions even forbid others to see and read it. Martin Luther, a religious leader benefited from this technology during the Protestant Reformation. He used it to reached people and share the gospel to other people.
Farmers during the twenties were in debt because of the Great Depression and had to purchase expensive machinery for their farms.