These new DNB entries trace the lives of various auto-didact nutritionists and hygiene enthusiasts. Thomas Tryon was the leader of a fashionable vegetarian circle in London and a popular author on health at the end of the seventeenth century; Jonathan Green was the proprietor of a famous set of medicinal 'fumigating' or vapour baths in London between c 1820-50; William Banting promoted a highly successful, European-wide, high-protein slimming diet in the 1860s; Josiah Oldfield was a popular medical author and supporter of vegetarianism, the Fruitarians, humanitarianism, and founded the Society for the Abolition of Capital Punishment in 1901; Howard Williams was a historian of vegetarianism, an anti-vivisectionist, and helped found the Humanitarian League in 1890; Ernest Bell was a publisher with links to the Vegetarian Society, the Humanitarian League, and numerous late-nineteenth century animal welfare groups.