Corporal A. Lane was an officer in the British Army. He took part in the fight against the Great Intelligence and its robot Yeti in the London Underground. In an attempt to get to the Second Doctor's TARDIS, Lane was killed by the Yeti's web. (TV: The Web of Fear)
Behind the scenes
Lane's first name is not revealed in The Web of Fear, but it is shown to begin with an "a" in Beast of Fang Rock.