Nikola Tesla

An Inventor Beyond his Time

Nikola Tesla
Nikola Tesla

Contributions:

"Tesla obtained around 300 patents worldwide for his inventions. Some of Tesla's patents are not accounted for, and various sources have discovered some that have lain hidden in patent archives. There are a minimum of 278 known patents issued to Tesla in 26 countries. Many of Tesla's patents were in the United States, Britain, and Canada, but many other patents were approved in countries around the globe. Many inventions developed by Tesla were not put into patent protection."

If you have time, you should read more about his inventions and contributions on his Wikipedia entry.