Aquamarine Dreams: Ralph Ring and Otis T Carr
I found this video from Project Camelot to be informative, but also inspiring as it tells of the dangers these early (1950's - 1960s) scientists uncovered natural energies, and risked all to try to bring them to use for humanity.
http://video.google.com/videoplay?docid=-1157138483884145726
JoyAnna
Aquamarine Dreams: Ralph Ring and Otis T Carr
A video interview with Ralph Ring
Las Vegas, August 2006