Ed Bethune is an early railway historian and heritage media consultant, and is the founder and chairperson of the 1722 Waggonway Heritage Group. He has been researching the Tranent–Cockenzie Waggonway since 2013 and has published work relating to his research in The Journals of William Dickson (1717–1745): The man who helped build Scotland’s first railway (Scottish Record Society, 2022), and Salt: Scotland’s Newest Oldest Industry (John Donald, 2023). He has also written for NLS ‘Discover’, History Scotland, East Lothian Life and has appeared on the BBC’s Digging for Britain.