"one of those hidebound, rigid chaps who already knows everything worth knowing and would have ridiculed the idea of the existence of radio waves"

,..,.,

WHO would? What have I said anywhere to induce such a fatuously ill-natured response, LH? Must rank as one of the most stupid posts I have ever read on a forum ~~ which is saying a good deal.

If you can't see the difference between open-minded receptiveness to new discoveries, and rejection of self-evident absurdities in the perception of actualities

then just let it pass...