Edward Caswall, CO, was a clergyman and hymn writer who converted to Catholicism and became an Oratorian priest. His more notable hymns include: "Alleluia! Alleluia! Let the Holy Anthem Rise"; "Come, Holy Ghost"; and "Ye Sons and Daughters of the Lord".
From Wikipedia (https://en.wikipedia.org/wiki/Edward_Caswall) under Creative Commons Attribution CC-BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0/legalcode)