Hywel R. Thomas
Hywel Rhys Thomas is a British scientist researching in the area of civil engineering, who is known for his work on the behaviour of unsaturated soils. He is Professor of Civil Engineering and founder director of the Geoenvironmental Research Centre at Cardiff University, and served as a pro-vice chancellor of that university (2010–18). He was elected a Fellow of the Royal Society in 2012 and has been president of the Learned Society of Wales since 2020.