Frederick Courteney Selous was a British explorer, officer, professional hunter and conservationist, famous for his exploits in Southeast Africa
William Temple Hornaday was an American zoologist, conservationist, taxidermist and author. He served as the first director of the New York Zoological Park, known today as the Bronx Zoo, and he was a pioneer in the early wildlife conservation movement in the United States
Gerald Malcom Durrell was a British naturalist, writer, zookeeper, conservationist and television presenter. He founded the Durrell Wildlife Conservation Trust and the Jersey Zoo in 1959. He wrote approximately forty books, mainly about his life as an animal collector and enthusiast, the most famous being My Family and Other Animals (1956). After the war. Durrell joined Whipsnade Zoo as a junior or student keeper
Edward North Buxton was a British conservationist and Liberal Party politician who sat in the House of Commons from 1885 to 1886. He was also an alpine climber, with significant first or second ascents in the 1860s. He was a founding member of the Society for the Preservation of the Wild Fauna of the Empire, now Fauna and Flora International