On Saturday, June 21, 2003, at 10:35 AM, ERDA Institute wrote:
A friend tried to contact Yule Brown in the early '90's but had no
luck -
rumour was he'd received threats and gone underground with his
invention.
Hope this is not true. Trouble is, I've heard this sort of thing so
many times about various people and their inventions or theories that
it all starts to sound like a conspiracy theory.