From his groundbreaking role as the first Presiding Officer of the National Assembly for Wales to his service in both Houses of Parliament, he helped shape the Wales we know today.
Rhwng ei rôl arloesol fel Llywydd cyntaf Cynulliad Cenedlaethol Cymru a’i wasanaeth yn y ddau Dŷ yn Senedd San Steffan, helpodd i saernïo’r Gymru rydym yn ei hadnabod heddiw.