b. 1930Person Name: Hugh John McLeanHarmonizer of "HYFRYDOL" in The Hymn Book of the Anglican Church of Canada and the United Church of CanadaSee The Canadian Encyclopedia.
1812 - 1883Person Name: Friedrich von Flotow (1812-1883)Composer of "GUIDANCE" in Carmina Sanctorum, a selection of hymns and songs of praise with tunesFriedrich Adolf Ferdinand, Freiherr von Flotow
1843 - 1920Composer of "[Alleluia! Sing to Jesus!]" in Hosanna for the Sunday SchoolReal name William James Robjohn. He used Caryl Florio as a pseudonym.