WRobert McNeill (Neill) Alexander, CBE FRS was a British zoologist and a leading authority in the field of biomechanics. Until 1970, he was mainly concerned with fish, investigating the mechanics of swim bladders, tails and fish jaw mechanisms. Subsequently, he concentrated on the mechanics of terrestrial locomotion, notably walking and running in mammals, particularly on gait selection and its relationship to anatomy and to the structural design of skeletons and muscles.
WJohn Barlow FRS (1799–1869) was an Anglican cleric and Secretary of the Royal Institution of Great Britain (1843–1860) and later Chaplain-in-Ordinary at Kensington Palace.
WSir Peter Chalmers Mitchell was a Scottish zoologist who was Secretary of the Zoological Society of London from 1903 to 1935. During this time, he directed the policy of the Zoological Gardens of London and created the world's first open zoological park, ZSL Whipsnade Zoo.
WSir Julian Sorell Huxley was an English evolutionary biologist, eugenicist, and internationalist. He was a proponent of natural selection, and a leading figure in the mid-twentieth century modern synthesis. He was secretary of the Zoological Society of London (1935–1942), the first Director of UNESCO, a founding member of the World Wildlife Fund and the first President of the British Humanist Association.
WPhilip Lutley Sclater was an English lawyer and zoologist. In zoology, he was an expert ornithologist, and identified the main zoogeographic regions of the world. He was Secretary of the Zoological Society of London for 42 years, from 1860–1902.
WWilliam Lutley Sclater was a British zoologist and museum director. He was the son of Philip Lutley Sclater and was named after his paternal grandfather, also William Lutley Sclater.
WNicholas Aylward Vigors was an Irish zoologist and politician. He popularized the classification of birds on the basis of the quinarian system.
WWilliam Yarrell was an English zoologist, prolific writer, bookseller and naturalist admired by his contemporaries for his precise scientific work.
WSolomon "Solly" Zuckerman, Baron Zuckerman was a British public servant, zoologist and operational research pioneer. He is best remembered as a scientific advisor to the Allies on bombing strategy in the Second World War, for his work to advance the cause of nuclear non-proliferation, and for his role in bringing attention to global economic issues.