Author Robert Ludlum and astronaut Gordon Cooper for the Atari 800 computer system, 1981 ads.
http://darth-azrael.tumblr.com/post/151797706510/gameraboy-author-robert-ludlum-and-astronaut
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Enter, June 1984Info – Issue Number 4 – 1984
Source: Computer & Video Game Magazines - Info - Issue Number 4 - 1984