An essay about Euclid and his importance in geometry.
Watched a lecture by Curtis McMullen on “Shape of Space”. URL: https://www.youtube.com/watch?v=j3BlLo1QfmU&t=2427s Read Chapters 7 and 8 of “The Poincare Conjecture” by Donal O’shea. URL: http://people.math.umass.edu/~franz/Don_OShea_ThePoincareConjecture.pdf Explain the parallel axiom and why this was controversial for a very long time and how it got resolved.