Happy 229th Birthday Joseph von Fraunhofer Joseph von Fraunhofer discovered the spectral lines from which we have discovered so much about the elements that make up our universe. See more info on https://en.m.wikipedia.org/wiki/Joseph_von_Fraunhofer Share this:Click to email a link to a friend (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on LinkedIn (Opens in new window)Like this:Like Loading...