Richard Sutton is one of the winners of the 2025 A.M. Turing Award, the tech world’s equivalent of the Nobel Prize. (Dawn Graves via AP) Teaching machines in the way that animal trainers mould the behaviour of dogs or horses has been an important method for developing artificial intelligence and one that was recognized Wednesday with the top computer science award. Two pioneers in the field of reinforcement learning, Andrew Barto and Richard Sutton, are the winners of this year’s A.M. Turing Award, the tech world’s equivalent of the Nobel Prize. Research that Barto, 76, and Sutton, 67, began in...