Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Gibson-Watt, David, 1918-, 3 canlyniadau
- Callaghan, James, 1912-2005, 2 canlyniadau
- Thomas, Peter, 1920-, 1 canlyniadau
- Kenyon, Lloyd Tyrell, 1917-1993, 1 canlyniadau
- Jones, Barry, 1938 June 26-, 1 canlyniadau
- Charles, Prince of Wales, 1948-, 1 canlyniadau
- University of Wales. Institute of Science and Technology, 1 canlyniadau
- Coleg Harlech, 1 canlyniadau
- University College, Cardiff, 1 canlyniadau
- University of Wales, Cardiff, 1 canlyniadau