Is it ensure, insure, or assure?
Huxley Hux·ley (hŭks'lē), Andrew Fielding. Born 1917.
British physiologist. He shared a 1963 Nobel Prize for research on nerve cells.
Huxley , Thomas Henry. 1825-1895.
British biologist who championed Darwin's theory of evolution. His works include Evidence as to Man's Place in Nature (1863) and Science and Culture (1881).