Heinrich Hertz did not realize the practical importance of hisHertz died at age 36.
experiments. He stated that,
"It's of no use whatsoever[...] this is just an experiment that proves Maestro Maxwell was right -- we just have these mysterious electromagnetic waves that we cannot see with the naked eye. But they are there."
Asked about the ramifications of his discoveries, Hertz replied,
"Nothing, I guess."