Mark Steel Lectures

Aswell as very helpful these are also funny so thats always a plus.

Karl Marx (Part one of three)
http://www.youtube.com/watch?v=ByOKZmQ72m4


Rene Descartes
 http://www.youtube.com/watch?v=6G_kHtfDdwc

Sigmund Freud
http://www.youtube.com/watch?v=TxBdidos-xg

Atrisotel
http://www.youtube.com/watch?v=slMpJvt6b0I