There was an interesting discussion between three eminent physicists/mathematicians this morning on the BBC. Including modern interpretations.
There is a podcast valid for 7 days
http://www.bbc.co.uk/radio4/history/inourtime/inourtime.shtml
There is a podcast valid for 7 days
http://www.bbc.co.uk/radio4/history/inourtime/inourtime.shtml