Major Rutherford was a Tau'ri military officer and member of the Atlantis expedition. After Colonel John Sheppard, Teyla Emmagan and Ronon Dex were captured by Keturah's people and Dr McKay was injured by an arrow (and subsiquently sedated), Major Rutherford tried to gain intel from McKay about the people who captured the rest of his team. (SGA: "Sateda")