(1855-1916) / Public domain at least in USA . Download site: Eric Hutton's site Mars by Percival Lowell, 1895 . H. G. Wells (1866--1946) in The War of the Worlds portrayed the somewhat-believable Martians as faceless invaders. They attacked with robotic tripods. An urban sculpture (by Michael Condron (1972--) ) of a robot tripod from