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Wilhelm Karl Hartwich (or Hartwig) Peters was a German naturalist and explorer. He was assistant to the anatomist Johannes Peter Müller and later became curator of the Berlin Zoological Museum. Encouraged by Müller and the explorer Alexander von Humboldt, Peters travelled to Mozambique via Angola in September 1842, exploring the coastal region and the Zambesi River. He returned to Berlin with an enormous collection of natural history specimens, which he then described in Naturwissenschaftliche Reise nach Mossambique... in den Jahren 1842 bis 1848 ausgeführt (1852–1882). He replaced Martin Lichtenstein as curator of the museum in 1858, and in the same year he was elected a foreign member of the Royal Swedish Academy of Sciences. In a few years, he greatly increased the Berlin Museum's herpetological collection to a size comparable to those of Paris and London. Herpetology was Peters' main interest, and he described 122 new genera and 649 species from around the world

Thomas Littleton Powys, 4th Baron Lilford was a British aristocrat and ornithologist. He was one of the eight founders of the British Ornithologists' Union in 1858, and its president from 1867 until his death. He was also the first President of the Northamptonshire Natural History Society. He travelled widely, especially around the Mediterranean and his extensive collection of birds was maintained in the grounds of Lilford Hall. Until 1891, his aviaries featured birds from around the globe, including rheas, kiwis, Pink-headed ducks and a pair of free-flying Bearded vultures. He was responsible for the introduction of the Little owl into England in the 1880s. He wrote about birds including Notes on the Birds of Northamptonshire and Neighbourhood (1895) and Coloured Figures of the Birds of the British Islands, which was completed by Osbert Salvin after his death. A species of European lizard, Podarcis lilfordi, is named in his honour