Single idea from its roots to its modern incarnation. In your discussion, you will examine the evidence that scientists found to motivate changes in the dominant understanding of your chosen field. You will write a 3-5 page (single spaced) paper on your chosen subject. Your paper must have one-inch margins on all sides and be typed in 12pt, Times New Roman font. . This paper will address the following questions:

1. What were the important pieces of evidence that motivated each major breakthrough in your chosen field?
2. Who found each of these pieces of evidence, and when did he/she find them?
3. Who was responsible for putting the new pieces of evidence together into a coherent theory