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.
