William Braidwood 

William Braidwood was an ironmonger who joined the Scotch Baptist Church in Edinburgh in 1778, eventually serving as an elder (pastor) alongside McLean. An edition of his theological writings appeared posthumously in 1838. See Brian Talbot, The Search for a Common Identity: The Origins of the Baptist Union of Scotland 1800–1870 (Carlisle UK: Paternoster Press, 2003), 53-54.