A reader in Houston wonders:
So is this a measure of controversy or success?
A reader in Argentina disagrees with my spot analysis:
You have misread the effect of the carbon dating. Interest was already in decline. The bottom line is that after STURP public interest was kept alive almost exclusively by Barrie Schwortz and you other webanairs.
And Sean Fitzpatrick observes:
I see three peaks. The run-ups were Pia and Vignon, STURP and SSG. Notice that ‘Shroud of Turin’ replaced ‘Holy Shroud’ as the choice title in the late 1970s.
Shroud of Turin Comings and Goings in Books « Shroud of Turin Blog