His achievements include helping shape the US constitution, championing women’s rights, furthering the cause of the anti-slavery movement – and he also found time to hone the maths used by the insurance industry. In short Richard Price, an 18th-century moral philosopher, nonconformist preacher and scientist, was – those in the know agree – Wales’s greatest thinker.
The problem is that not so many people in the UK, Wales or even his home county of Bridgend, know much about him, and lots have never heard of him.