PLUTO: NEVER FORGET!
'(<a href="http://www.j-archive.com/media/2011-01-21_J_27.wmv">Sarah of the Clue Crew illustrates the clue on the monitor.</a>)  Pluto's symbol combines the letters "P" & "L", representing both the first two letters of the name "Pluto" & the initials of <a href="http://www.j-archive.com/media/2011-01-21_J_27.jpg" target="_blank">this</a> observatory founder, who predicted Pluto's existence'
Percival Lowell