First part of the broadcast in http://www.bbc.co.uk/programmes/p01pz6z9 , reuploaded towards making it accessible via captioning. From the original description:

"Arunachalam Muruganantham is the Indian inventor who has ignored taboos about menstruation to invent a low-cost sanitary pad. He was abandoned by his wife and mother and shunned by neighbours on his journey to improve the health of millions of women. (...)

First broadcast: Wednesday 22 January 2014"