Lonnie Johnson: I'm Lonnie Johnson. I'm an inventor. The invention that most people know me for is the Super Soaker water gun. I knew the gun worked well, and I knew it would be successful.

The Super Soaker was a game changer when came to squirt guns and summer fun. And you have Lonnie Johnson to thank for it. The man behind one of the most popular toys of all time is an engineer who ...