Donald Kelly founded the Space Energy Association (SEA), which did research on "free" energy, anti-gravity, and related subjects.
References:
1. World Science Database, detailed profile of this scientist:
http://www.worldsci.org/php/index.phptab0=Scientists&tab1=Scientists&tab2=Display&id=690
2. NotTaughtinSchools.com website profile and information:
http://www.nottaughtinschools.com/Don-Kelly/Free-Energy.html