18 August 1868 August 17, 2012 Author: Staff Helium is discovered by the French astronomer Pierre Jules César Janssen Famous Words of Inspiration..."I know this world is ruled by infinite intelligence. Everything that surrounds us- everything that exists - proves that there are infinite laws behind it. There can be no denying this fact. It is mathematical in its precision." Thomas A. Edison — Click here for more from Thomas A. Edison Related posts: 28 July 1868 18 August 1976 Categories: History Tags: 18 August, 1868