William Sowerby was a botanist, illustrator and Secretary of the Royal Botanic Gardens, Regent's Park, London
Secretary of the Acclimatisation Society of Victoria, Australia
Captain John Hanning Speke was an English explorer and officer in the British Indian Army who made three exploratory expeditions to Africa. He is most associated with the search for the source of the Nile and was the first European to reach Lake Victoria
Henry Tibbats Stainton was an English entomologist. He served as an editor of The Entomologist's Annual and The Entomologist's Weekly Intelligencer
Philip Henry Stanhope, styled Viscount Mahon between 1816 and 1855, was an English antiquarian and Tory politician
Henry Edward John Stanley, also known as Abdul Rahman Stanley, was a British nobleman and historian who translated The First Voyage Round the World by Magellan and other works from the Age of Discovery. A convert to Island, in 1869 Lord Stanley became the first Muslim member of the House of Lords