Gnosis - Story of Science BBC Documentary
http://www.youtube.com/watch?v=WTWSK5uT384
http://www.youtube.com/watch?v=WTWSK5uT384
Gnosis - Newton's Dark Secrets
http://www.youtube.com/watch?v=AIRdtSNrUUg
http://www.youtube.com/watch?v=AIRdtSNrUUg