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James Cossar Ewart was a Scottish zoologist. He performed breeding experiments with horses and zebras which disproved earlier theories of heredity. He studied medicine from 1871 to 1874 at the University of Medicine. After graduation, he became an anatomy demonstrator under William Turner and then held the position of Curator of the Zoological Museum at University College, London, where he assisted Ray Lankester (later director of the Natural History Museum) by making zoological preparations for the museum and providing teaching support for Lankester's course in practical zoology. In 1878 he returned to Scotland to take a post of Regius Professor of Natural History at the University of Aberdeen from where he moved to the University of Edinburgh in 1882, staying in the post until 1927.

Wilhelm Lilljeborg was a Swedish zoologist. He is known for his work on the Cladocera of Sweden, and on the Balaenoptera. He was a member of the Royal Swedish Academy of Sciences from 1861

Sir Arthur Everett Shipley was an English zoologist and Vice-Chancellor of the University of Cambridge. He read natural sciences at Christ's College, Cambridge, specialising in zoology. Shipley specialised in the study of parasitic worms, publishing nearly fifty papers on them and leading to his election as a Fellow of the Royal Society in 1904. He stayed at Cambridge, being appointed university demonstrator in comparative anatomy in 1886, lecturer in the advanced morphology of the Invertebrata in 1894, and reader in zoology in 1908. He was elected a fellow of Christ's College in 1887 and became college tutor in natural sciences in 1892. In 1891 he was appointed secretary to Cambridge's Museums and Lecture Rooms Syndicate. In 1910 he was elected Master of Christ's College, a post he held until his death, and from 1917 to 1919 he was Vice-Chancellor of the University of Cambridge. In 1893, he published The Zoology of the Invertebrata, which became a university textbook

Carl Jakob Sundevall was a Swedish zoologist. Sundevall studied at Lund University, where he became a Ph.D. in 1823. After traveling to East Asia, he studied medicine, graduating as Doctor of Medicine in 1830. He was employed at the Swedish Museum of Natural History, Stockholm from 1833, and was professor and keeper of the vertebrate section from 1839 to 1871. He wrote Svenska Foglarna (1856–87) which described 238 species of birds observed in Sweden. He classified a number of birds collected in southern Africa by Johan August Wahlberg. In 1835, he developed a phylogeny for the birds based on the muscles of the hip and leg that contributed to later work by Thomas Huxley. He then went on to examine the arrangement of the deep plantar tendons in the bird's foot. This latter information is still used by avian taxonomists. Sundevall was also an entomologist and arachnologist, for which (for the latter field) in 1833 he published an early catalog Conspectus Arachnidum. Much later in 1862, he wrote a monograph proposing a universal phonetic alphabet, Om phonetiska bokstäver. Sundevall is commemorated in the scientific names of four species of reptiles: Elapsoidea sundevalli, Leptotyphlops sundewalli, Mochlus sundevallii, and Prosymna sundevalli.[1] Also the rodent, Sundevall's jird (Meriones crassus) is named after him.

Joan Beauchamp Procter was a British zoologist and herpetologist. She worked initially at the British Museum (Natural History) and later at the Zoological Society of London, as the first female Curator of Reptiles at London Zoo. She undertook substantial taxonomic work and made innovative contributions to veterinary practice and zoo displays. She wrote scientific and popular zoological articles, including early accounts of the behaviour of captive komodo dragons.

Robert McNeill Alexander was a British Zoologist and an authority in the field of biomechanics. Until 1970 he was mainly concerned with fish, investigating the mechanics of swim bladder, tails and the 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.

Alexander was born in Lisburn, Northern Ireland and educated at Tonbridge School, Trinity Hall, Cambridge and the University of Wales.

After holding a lectureship at University College of North Wales 1958-1969, he was Professor of Zoology at the University of Leeds from 1969 until his retirement in 1999, when the title of emeritus professor was conferred on him.

He was Secretary of the Zoological Society of London 1992-1999. He was President of the Society for Experimental Biology 1995-1997, President of the International Society of Vertebrate Morphologists 1997-2001 and editor of the Proceedings of the Royal Society B 1998-2004.

Alexander married Ann Elizabeth Coulton in 1961. He died in 2016 at the age of 81.