'Pi' (1706) as a mathematical symbol. Born in Llanfihangel Tre'r Beirdd. Brian Josephson Nobel Prize–winning physicist; gave his name to the superconducting Josephson junction. Born Cardiff. Bernard Knight Forensic pathologist, barrister and writer. Creator of the 'Crowner John' series, historic crime fiction. As a forensic pathologist, worked on the infamous Fred West case, recovering all twelve bodies. Born and spent most of his life in Cardiff. Francis Lewis Signatory of the US 'Declaration of Independence' as one of the representatives from New York. Born in Llandaff. Sir Thomas Lewis Born in Taffs Well, (26 December 1881 – 17 March 1945) was a British cardiologist (although he personally disliked the term, preferring cardiovascular disease specialist). He coined the term "clinical science". Edward Lhuyd Fellow of Jesus College Oxford. Keeper of the Ashmolean Museum and the foremost Celtic scholar of his time. Born Oswestry, 1660. Ronald M Lockley Famous naturalist and author. Best known for his life on Skokholm Island off Pembrokeshire 1927-1940 and at Orielton in the 1950s to early 1960s. Born in Cardiff.Terry Matthews 'Mitel' and 'Newbridge' Networks founder. William Morgan Inventor of the vacuum tube, Coolidge tube, Britain's first actuary, founding father of modern actuarial science. The unknowing discoverer of x-rays, a hundred and ten years before Roentgen. Born in Bridgend, 1750, died 1833.William Henry Preece was an electrical engineer who was a major figure in the development and introduction of wireless telegraphy and the telephone in Great Britain. Born Feb 15 1834 in Bryn Helen.<ref>73. Sir William Henry Preece, Groundbreakers . Culturenet Cymru, 2004.</ref> Richard Price Developer of the times tables for insurance scales. Born at Tynton Farm Llangeinor, South Wales William Price re-introduced cremation to Britain. Born Llantrisant, South Wales Pryce Pryce-Jones Gave mail-order (catalogue) shopping to the world. (circa 1859) Born/lived in Newtown, Montgomeryshire (Powys). Robert Recorde Very influential physician and mathematician. Robert published some of the most important books of his era including the first English language book on algebra which incidentally is where the equals symbol is first seen in use. From Tenby, West Wales. Isaac Roberts Pioneered deep space photography at the end of the 19th century. Born in Groes near Denbigh in 1829. Richard Roberts (engineer) Textile machinery, railway locomotives and other industrial inventions. Born Llanymynech, 1789. Bertrand Russell Philosopher, mathematician and the Nobel Prize for Literature in 1950. Russell is one of the most highly regarded academics of the 20th century.