The electric light bulb was invented - and being used 20 years before Edison's bulb - by a man called Swan. Unfortunately, he only patented it in Britain.

This article is very American biased, unfortunately. Did you know that the concept of, and software for, using a phone for mobile banking was created in Kenya?
Read about these present day African inventors.

[venturesafrica.com]

Great article, I did not know most of those. But it is a pity the link did not work, I had to use MsKathleen's below.

I got a "content isn't available" message.