This evening is the last in the current series of 'Horizon' on BBC2, Chris Openshaw was DoP.

Tonight’s episode, entitled 'Genius' follows Horizon’s favourite Maths professor Marcus du Sautoy as he explores questions such as; ‘what does it mean to have exceptional mental gifts?’, ‘does the word “genius” often get bandied about to easily?’ and, ‘are an elite few born to be geniuses, or does genius reside in everyone of us?’

If you miss it tonight catch up on BBC iplayer.