Lawrence Krauss is a theoretical physicist, cosmologist, best-selling author, producer, actor, and science and public policy advocate. Author of the book "The Greatest Story Ever Told So-Far... Read allLawrence Krauss is a theoretical physicist, cosmologist, best-selling author, producer, actor, and science and public policy advocate. Author of the book "The Greatest Story Ever Told So-Far".Lawrence Krauss is a theoretical physicist, cosmologist, best-selling author, producer, actor, and science and public policy advocate. Author of the book "The Greatest Story Ever Told So-Far".