According to the Internet source given below, John Lamberton Bell is a Scottish hymn-writer and Church of Scotland minister. He is a member of the Iona Community, a broadcaster, and former student activist. He works throughout the world, lecturing in theological colleges in the UK, Canada and the United States, but is primarily concerned with the renewal of congregational worship at the grass roots level.
Amongst other works, he is the hymn-writer Will You Come and Follow Me
||John L. Bell
||Biography by wikipedia.org.