This post might not be pure architecture.. but this man is truly inspiring. Please watch.
“William Kamkwamba, from Malawi, is a born inventor. When he was 14, he built an electricity-producing windmill from spare parts and scrap, working from rough plans he found in a library book called Using Energy and modifying them to fit his needs. The windmill he built powers four lights and two radios in his family home.”
First Talk, with 19 years old.
Second Talk, with 22 years old.