This first two photographs were taken and contributed by
© Carl Ryan
"By any standard Harry Grindell-Matthews was all that an eccentric scientist should be.
Working in a remote laboratory in the Welsh mountains he claimed to have invented,
among other things, an electronic beam which earned him the nickname 'Death Ray'...."
See also feature on Walesonline
Also 'Intrigue and Invention: the curious tale
of Harry Grindell Matthews and his terrifying ray of death'
by Andrew Dulley published in Minerva vol 14 2006 Welsh Journals Online
This next photograph was contributed by Mrs Helen McDuff of Pontardawe. (Nov 2004)
Gareth Hicks © Copyright notice