Many of these inventors were considered eccentric, even crazy. Today, we use their inventions daily and often take them for granted. It would be hard to imagine our world without them.
Some questions on the profound genius and greatest scientist of the 20th century, Albert Einstein, whose name has become synonymous with great intelligence and even genius.
This quiz focuses on famous inventors - pioneers, who thought out of the box and tirelessly pushed the envelope in all aspects of engineering. All questions are "fill in the blank" type, and in each, you will have to name the inventor.