Bernard Kiwia is the social entrepreneur behind Twende – an innovative incubation hub.
People who go to the innovator school in Tanzania have come up with more than 100 inventions including avocado oil presses, soap cutters and a wheelbarrow which distributes fertiliser.
This BBC series ‘BBC Innovators’ was produced with funding from Bill & Melinda Gates Foundation
https://www.bbc.co.uk/programmes/p06dz1f9
http://www.twende-tanzania.org/our-story.html