Mathematical Ghosts of the 20th Century(distilnetworks.com)
distilnetworks.com
Mathematical Ghosts of the 20th Century
http://www.distilnetworks.com/mathematical-ghosts-20th-century/
1 comments
Not sure about the whole "if you can’t picture it, do you really understand it?" idea - a very touchy subject on that one....but interesting point
From a mathematics point of a view, the entire premise is based on picturing it in order to understand it...