Our Whole Universe Was In A Hot Dense State Then Nearly 14 Billion Years Ago Expansion Started Wait The Earth Began To Cool The Autotrophs Began To Drool Neanderthals Developed Tools We Built A Wall We Built The Pyramids! Math Science History Unraveling The Mystery's It All Started With The Big Bang BANG! (Welcome To The Big Bang Theory RP Enjoy!) Leonard Hofstadter [ lactose intolerant brown hair short always wears hoodies brown eyes ] Sheldon Cooper [ tall smart comics guy ]