Videos about Dmitri Ivanovich Mendeleev...
The genius of Mendeleev's periodic table - Lou Serico, http://www.youtube.com/watch?feature=player_embedded&v=fPnwBITSmgU, accessed 7th February 2013
Dmitri Mendeleev: Great Minds, http://www.youtube.com/watch?feature=player_embedded&v=IgA37CNa7Ow, accessed 7th February 2013