Albert Einstein as Time Magazine’s Person of the Century sources: https://www.britannica.com/biography/Isaac-Newton https://www.britannica.com/biography/Albert-Einstein https://www.britannica.com/biography/James-Clerk-Maxwell http://theconversation.com/from-newton-to-einstein-the-origins-of-general-relativity-50013 http://content.time.com/time/covers/0,16641,19991231,00.html