Ryan's nickname: "The AV dissector." He wrote "On the Structure of the Human Body", a massive compilation of information from countless dissections of human bodies, often executed criminals. Aristotle believed that the body had four "humors": blood, phlegm, black bile, and yellow bile, and an imbalance of the four humors caused illness. Therefore, doctors prescribed bloodletting. Ryan's nickname: "The AV dissector." He wrote "On the Structure of the Human Body", a massive compilation of information from countless dissections of human bodies, often executed criminals. Aristotle believed that the body had four "humors": blood, phlegm, black bile, and yellow bile, and an imbalance of the four humors caused illness. Therefore, doctors prescribed bloodletting. Ryan's nickname: "The Empiricist." Bacon advocated for empirical research, using the scientific method, rather than speculation like with Aristotle. He was greatly influential, becoming "lord chancellor" under James 1. Irish chemist who established that air has weight and whose definitions of chemical elements and chemical reactions helped to dissociate chemistry from alchemy (1627-1691)

Francis Bacon (1561 - 1626) Francis Bacon (1561 - 1626) Andreas Vesalius (1514-1564) Francis Bacon (1561 - 1626)

Francis Bacon (1561 - 1626) William Harvey (1578-1657) Isaac Newton Francis Bacon (1561 - 1626)

Ryan's nickname: "The Empiricist." Bacon advocated for empirical research, using the scientific method, rather than speculation like with Aristotle. He was greatly influential, becoming "lord chancellor" under James 1. Ryan's nickname: "The Empiricist." Bacon advocated for empirical research, using the scientific method, rather than speculation like with Aristotle. He was greatly influential, becoming "lord chancellor" under James 1. 1/(x * sqrt(x^2-1)) Ryan's nickname: "The AV dissector." He wrote "On the Structure of the Human Body", a massive compilation of information from countless dissections of human bodies, often executed criminals. Aristotle believed that the body had four "humors": blood, phlegm, black bile, and yellow bile, and an imbalance of the four humors caused illness. Therefore, doctors prescribed bloodletting.

Ryan's nickname: "The Empiricist." Bacon advocated for empirical research, using the scientific method, rather than speculation like with Aristotle. He was greatly influential, becoming "lord chancellor" under James 1. Ryan's nickname: "The Empiricist." Bacon advocated for empirical research, using the scientific method, rather than speculation like with Aristotle. He was greatly influential, becoming "lord chancellor" under James 1. Ryan's nickname: "The AV dissector." He wrote "On the Structure of the Human Body", a massive compilation of information from countless dissections of human bodies, often executed criminals. Aristotle believed that the body had four "humors": blood, phlegm, black bile, and yellow bile, and an imbalance of the four humors caused illness. Therefore, doctors prescribed bloodletting. 1/(x * sqrt(x^2-1))