"The school system in Troup County went broke. And when it went broke, there was nothing to flow to the teachers, to compensate them, so they all retired, resigned. School shut down. We went to Harris County to see if it was possible for us to get…

"I had all kinds of quick get-rich schemes, but because I was so interested in civil engineering and in the energy that was in all the little streams that was going across the farms, I built a paddle wheel. That paddle wheel had five blades on it,…