https://www.bbc.co.uk/iplayer/...
Colin Bootle
29/11/2018 00:01:42
https://www.bbc.co.uk/iplayer/episode/b06s75vs/inside-einsteins-mind-the-enigma-of-space-and-time
Inside Einstein's Mind: The Enigma of Space and Time
The story of the most elegant, powerful theory in science - Einstein's general relativity.