The Big Bang Theory is an incredibly complex, possible answer to a simple question; How did our universe begin? To address this question, I have found that my students enjoy discussing some of the contributions of the famous scientists that are known to them: Einstein, Hubble, Lemaitre, and Hawking. This slideshow - which is EDITABLE - includes directions to fill in the doodle page, definitions of universe, galaxy, and solar system, and outlines evidence from the points of view of the contributi