Sir Julian Sorell Huxley, FRS (June 22, 1887 – February 14, 1975) was an English evolutionary biologist, humanist, and internationalist.
Bio from Wikipedia, 3/27/2012
He was a proponent of natural selection, and a leading figure in the mid-twentieth century evolutionary synthesis. He was Secretary of the Zoological Society of London (1935–1942), the first Director of UNESCO, and a founding member of the World Wildlife Fund.
Huxley was well known for his presentation of science in books and articles, and on radio and television. He directed an Oscar-winning wildlife film. He was awarded UNESCO’s Kalinga Prize for the popularisation of science in 1953, the Darwin Medal of the Royal Society in 1956, and the Darwin–Wallace Medal of the Linnaean Society in 1958. He was also knighted in that same year, 1958, one hundred years after Charles Darwin and Alfred Russel Wallace announced the theory of evolution by natural selection. In 1959, he received a Special Award of the Lasker Foundation in the category Planned Parenthood – World Population. Huxley was a prominent member of the British Eugenics Society and its president from 1959–1962.
Huxley came from the distinguished Huxley family. His brother was the writer Aldous Huxley, and his half-brother a fellow biologist and Nobel laureate, Andrew Huxley; his father was writer and editor Leonard Huxley; and his paternal grandfather was Thomas Henry Huxley, a friend and supporter of Charles Darwin and proponent of evolution. His maternal grandfather was the academic Tom Arnold, great-uncle poet Matthew Arnold and great-grandfather Thomas Arnold of Rugby School.