First came the Geocentric model that showed the earth as being the center of the universe, the sun and other planets were shown revolving around the earth, with heaven shown beyond the crystalline shell. It wasn’t until Nicholas Copernicus published his writing, "On the Revolution of the Heavenly Spheres," that people began to question this idea. The writing was so complicated that the vast majority of the population of Europe could not understand its meaning and ideas that it contained. This writing sta

Andreas Vesalius did not accept the Roman Galen’s authority of human anatomy since it was based on animal dissections. Previous knowledge of the human anatomy was quite inaccurate. Drawings studied by Medieval medical students were not proportional, and showed incomplete structures of the human body. During the 11th and 12th centuries, dissections were common. Despite this, faulty pictures were still used to instruct young doctors. Vesalius performed many human dissections, and would strip each layer away from the body one at a time. As he performed these dissections, he would draw and document what it was he saw. These documentations led to new ways to treat ailing people and a

"Knowledge," and the expectations of those who seek "knowledge," was greatly transformed from the years 1200 AD to 1500 AD. Now, instead of simply believing in what someone previously said to be true, people experimented and searched for the truth themselves. Like machines, man, nature, the universe, and medicine were starting to be viewed as things that were adjustable and undefined. Science in the medieval times was based on two main sources: the Bible and Greek scientists, especially Aristotle. The Bible was the first place anyone looked for answers to specific questions. If the answers were not found in the scriptures, people would look to Aristotle. Whatever he said, if it wasn’t contradicted in the Bible, was considered fact. Man’s traditional reliance on religious faith was demolished when the teachings of the Bible and Aristotle were disproved. Their paradigm was shaken, and the

new understanding of the human body. Before, the human body was considere

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