1846 - 1920Person Name: Evan Morgan (Llew Madog), 1846-1920Composer of "TYDDYN LLWYN" in Old and New Welsh and English HymnsEvan Morgan's Welsh bardic name was Llew Madog, and his name is given in the 1995 Welsh and English Hymns and Anthems (Reformatted) as "EVAN MORGAN (LLEW MADOG)".
1866 - 1944Person Name: J. G. M. H.Author of "Pwy a'm dwg i'r Ddinas Gadarn?" in Old and New Welsh and English HymnsDates from the Dictionary of Welsh Biography.