For those of us in the UK and anyone else who can receive BBC4 via satellite or cable, the BBC are running a six part series called 'The Genius of Photography'.
Details here: http://www.bbc.co.uk/pressoffice/pre...cfour_ah.shtml (scroll down to bottom of page).
And here: http://www.walltowall.co.uk/catalogu...?w2wprogram=15
There is also a feature in this week's Amateur Photographer magazine.
Moderator's note: International broadcasts of this series are also announced in this thread.