From what I have learned about this guy, he was pretty much scr*wed over by everyone he worked with/for. (Does the word Westinghouse ring a bell?)
Who knows what he could have done....
Not true. Edison did screw him out of money which is why Tesla quit working for him. George Westinghouse made Tesla a very wealthy man and gave him credit for all of his work. Tesla respected and admired Westinghouse and called him the only man in the world who could have taken his inventions and turned them into reality against the power of Edison who tried to prevent AC from becoming the standard.
Westinghouse is actually the guy who gets far too little credit. Tesla's inventions were critical, but they amounted to about 20% of what was necessary for a practical AC system. The other 80% was developed either by or under the direction of George Westinghouse.