The next evening event will be a talk by Colin Humphrey, on Wednesday 20th February - 'The Age of the Earth: a history'. Philosophers, scientists and religious men argued for thousands of years without getting near the truth. Then the last century saw an explosion in understanding, which has continued even to the present day. There are many aspects to this interesting story, from Aristotle to Ussher, radioactivity and recent investigation of Noah’s Flood, with a lot of nonsense and controversy in between.