What do the following names have in common? – Robinta, Irish Cobbler, Winston and Lumper. The answer is they are all traditional potato varieties that have long since been grown commercially in this part of the world. But one man, who has devoted his life to ensuring that these vitally important ‘gene pools’ are maintained for future plant breeding purposes is Yorkshire man David Langford. Now living in Co Mayo, his display – comprising fresh tuber samples from 50 of the rarest potato varieties to be found in Europe today – was a highlight of last weekend’s celebration of spuds, held at the Giant’s Causeway.