The Professor shows us his first periodic table. We'd love to see your periodic tables. Email pics to periodicvideos@gmail.com Higher res photo of the Prof's can be found at: http://www.flickr.com/photos/periodicvideos/6836283893/in/photostream More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitter at http://twitter.com/periodicvideos Periodic Videos films are by video journalist Brady Haran