Nikola Tesla Card

It rarely pays to be ahead of your time, especially when your pet project is the development of a free source of energy for everyone. It's tough to monetize that kind of thing -- and tougher to break it to your investors that they are now philanthropists.

Although several of Tesla's contemporaries parlayed their patents into great fortunes and built empires that stand today, Nikola Tesla's obsession was the work itself, so he died b ...
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