Oh yeah, Cuellar! I remember him because he played in the Stockholm 1962 interzonal, and I once had one of those booklets of the games (published I think by Chess Digest).
He beat Korchnoi in that one too, in round 2. Poor Vik got off to a tough start in that tourney; here was his round 1 game (which has always stuck in my head for its unusual final situation):
http://www.chessgames.com/perl/chessgame?gid=1081452
He's been around a long time. He played tha Najdorf when Najdorf was still a kid? That's being ahead of his time. Time was Satasiere's friend.