RUSSIAN SCIENTISTS
'(<a href="http://www.j-archive.com/media/2009-02-13_DJ_20.jpg" target="_blank">Kelly of the Clue Crew shows the periodic table on the monitor.</a>)  In devising the periodic table, Mendeleev laid out the elements in rows & columns to show the different relationships when read each way; he's said to have been inspired by a version of this card game'
solitaire