Frederick Daniel Dyster (1810–93)
Physician, philanthropist, and naturalist. MD, Giessen; MRCP 1859. Practised in Tenby, Pembrokeshire; town councillor, 1866–72; mayor, 1867–8. Founder trustee of the Tenby Museum and donor of a scientific library. Paid off Tenby Hospital’s debt and built a women’s ward. Encouraged by his friend Thomas Henry Huxley, promoted education of working men and lectured frequently. Donated money to found the Baly medal of the Royal College of Physicians, 1866. Worked mainly on annelid worms.