Richard William Alan Onslow, 5th Earl of Onslow, styled Viscount Cranley until 1911, was a British peer, diplomat, parliamentary secretary and government minister. He was President of the Zoological Society of London from 1936 to 1942.
Edward William Spencer Cavendish, 10th Duke of Devonshire, known as the Marquess of Hartington from 1908 to 1938, was a British politician. He was head of the Devonshire branch of the House of Cavendish. He was President of the Zoological Society of London 1948-1950
Field Marshall Alan Francis Brooke, 1st Viscount Alanbrooke was a senior officer of the British Army. He was Chief of the Imperial General Staff, the professional head of the British Army, during the Second World War, and was promoted to Field Marshall in 1944. As Chairman of the Chiefs of Staff Committee, Brooke was the foremost military advisor to Prime Minister Winston Churchill, and had the role of co-ordinator of the British military efforts in the Allies' victory in 1945. After retiring from the British Army, he served as Lord High Constable of England during the Coronation of Queen Elizabeth II in 1953.
He was a noted ornithologist, especially in bird photography. He was President of the Zoological Society of London between 1950 and 1954, and Vice-President of the Royal Society for the Protection of Birds between 1949 and 1961.
Sir Arthur Landsborough Thomson was a Scottish medical researcher, amateur ornithologist, ornithological author and expert on bird migration. He was President of the British Ornithologists' Union from 1848-1955. He was President of the Zoological Society of London 1946-1950. He was Chairman of the British Trust for Ornithology 1941-1947 and won the Trust's Bernard Tucker Medal in 1957. In 1959 he was awarded the Godman-Salvin Medal.
Prince Philip, Duke of Edinburgh, was a member of the British royal family as the husband of Queen Elizabeth II. He was President of the Zoological Society of London for two decades and was appointed an honorary fellow in 1977.
Sir William MacGregor Henderson was a Scottish veterinary expert on foot and mouth disease. He was President of the Zoological Society of London 1984-1989.
Nicholas Avrion Mitchison is a British zoologist and immunologist. He was President of the Zoological Society of London 1989-1992
Field Marshall Sir John Lyon Chapple is a retired British Army officer who served as Chief of the General Staff from 1988-1992. He was President of the Zoological Society of London 1992-1994.
Sir Martin Wyatt Holdgate was born in 1931 and grew up in Blackpool. He was educated as Arnold School. He then attended Cambridge University as an undergraduate at Queens' College, Cambridge from 1949, graduating in 1952 with degrees in zoology and botany and, subsequently, a doctorate in insect physiology.
He taught at Manchester University, Durham University and Cambridge, as well as undertaking expeditions to Tristan da Cunha, south-west Chile and the Antarctic. He was CHief Biologist to the British Antarctic Survey, then research director of the Nature Conservancy Council and, for eighteen years, Chief Scientist and head of research at the Department of the Environment. Subsequently, he was Director General of the International Union for Conservation of Nature. After his retirement he was a member of the Royal Commission on Environment Pollution and served as co-chair of the Intergovernmental Panel on Forests, and Secretary of the UN Secretary General's High-Level Board on Sustainable Development. He was President of the Zoological Society of London 1994-2004.
Patrick Bateson was an English biologist with interests in ethology and phenotypic plasticity. He was Professor at the University of Cambridge and served as President of the Zoological Society of London from 2004 to 2014.