Tremeirchion, Denbighshire

Mathematical Gazetteer of the British Isles

In the church is a fourteenth-century tomb thought to commemorate Dafydd Ddu Hiraddug, "a poet and scientist" [1]. Was he at all mathematical?
See THIS LINK

References (show)

1. Beazley, Elisabeth & Howell, Peter. Companion Guide to North Wales. Collins, London, 1975. & Howell, p.45

The Mathematical Gazetteer of the British Isles was created by David Singmaster.
The original site is at THIS LINK.