Chthonic, the irascible bridge-playing computer, modestly describes himself as the world's best bridge player.
Danny Kleinman of Los Angeles is a prolific bridge writer, theorist, professional player, and teacher, who is a regular contributor to several bridge magazines. He is a Contributing Editor of The Bridge World, and is one of the moderators of 'The Master Solvers' Club' in that magazine. He also writes about backgammon, another game which he plays at an expert level.
Nick Straguzzi of Mullica Hill, NJ, is a software analyst specializing in artificial intelligence and knowledge management. Nick has researched ways in which computer game theory could be applied to bridge, but concluded that it would be far easier to write about a perfect bridge-playing computer than to actually build one.